Fatto generale: 87884 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 87884 is an uninteresting number.
Trivia: 87884 is a boring number.
Data storica: August 13th is the day in 1536 that Buddhist monks from Kyōto's Enryaku-ji temple set fire to 21 Nichiren temples throughout in what will be known as the Tenbun Hokke Disturbance.