Hecho general: 87800 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 87800 is a boring number.
Trivia: 87800 is an unremarkable number.
Fecha histórica: May 21st is the day in 1937 that a Soviet station, North Pole-1, becomes the first scientific research settlement to operate on the drift ice of the Arctic Ocean.