Fait mathématique: 8887 is a value of n for which s(n) is a repdigit.
Culture générale: 8887 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Date historique: April 30th is the day in 1006 that Supernova SN 1006, the brightest supernova in recorded history, appears in the constellation Lupus.