Fatto generale: 87184 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 87184 is a boring number.
Trivia: 87184 is an uninteresting number.
Data storica: September 13th is the day in 1948 that Margaret Chase Smith is elected senator, and becomes the first woman to serve in both the U.S. House of Representatives and the United States Senate.