Fatto generale: 87520 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 87520 is an unremarkable number.
Trivia: 87520 is an unremarkable number.
Data storica: August 15th is the day in 1963 that President Fulbert Youlou is overthrown in the Republic of Congo, after a three-day uprising in the capital.