It's about nine-tenths as long as Pepi II's reign.
In other words, the length of Pepi II's reign is 1 times 87.5 years.(a.k.a. Neferkare) (2278 BCE - 2184 BCE)
It's about three times as long as Pius IX's reign.
In other words, 87.5 years is 2.765 times the length of Pius IX's reign, and the length of Pius IX's reign is 0.3617 times that amount.(a.k.a. Pope Blessed Pius IX, a.k.a. Giovanni Maria Mastai-Ferretti) (1792-1878)
It's about one-third as long as a Giant Tortoise's Lifespan.
In other words, the length of a Giant Tortoise's Lifespan is 2.9 times 87.5 years.(for Adwaita, an Aldabra Giant Tortoise) (Dipsochelys dussumieri, formerly Geochelone gigantea)
Adwaita, an Aldabra Giant Tortoise who lived the later part of his life in the Alipore Zoological Gardens in Kolkata, India, was 250 years old at the time of his death. Once a pet of Major-General Robert Clive, 1st Baron Clive, who is credited with securing India as a colony of Great Britain, Adwaita lived through the entirety of India's 190 years as a British colony.
It's about seven times as long as FDR's Presidential Term.
In other words, 87.5 years is 7.227 times the length of FDR's Presidential Term, and the length of FDR's Presidential Term is 0.1384 times that amount.(a.k.a. Franklin Roosevelt, a.k.a. Franklin Delano Roosevelt) (1933-45)
It's about nine times as long as King Tut's reign.
In other words, the length of King Tut's reign is 0.1 times 87.5 years.(a.k.a. Tutankhamun, a.k.a. Tutankhaten, a.k.a. tVwa:t-ʕa:nəx-ʔaˡma:n) (1333 BCE - 1324 BCE)
It's about ten-and-a-half times as long as The Revolutionary War (American).
In other words, 87.5 years is 10.44 times the length of The Revolutionary War (American), and the length of The Revolutionary War (American) is 0.09579 times that amount.(a.k.a. American War of Independence) (1775-83)
It's about thirteen-and-a-half times as long as The Construction of the Chunnel.
In other words, the length of The Construction of the Chunnel is 0.07299 times 87.5 years.(a.k.a. Channel Tunnel, a.k.a. Le tunnel sous la Manche) (1987 thru 1994) (Folkstone, Kent, UK to Coquelles, Pas-de-Calais, France)