Fatto generale: 87863 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 87863 is an uninteresting number.
Trivia: 87863 is a boring number.
Data storica: July 23rd is the day in 1992 that a Vatican commission, led by Joseph Ratzinger, establishes that it is necessary to limit rights of homosexual people and non-married couples.