Fatto generale: 87641 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 87641 is a boring number.
Trivia: 87641 is an uninteresting number.
Data storica: December 14th is the day in 1902 that the Commercial Pacific Cable Company lays the first Pacific telegraph cable, from Ocean Beach, San Francisco to Honolulu, Hawaii.