general_fact: 84987 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 84987 is an uninteresting number.
trivia: 84987 is an uninteresting number.
historical_date: September 7th is the day in 1822 that Dom Pedro I declares Brazil independent from Portugal on the shores of the Ipiranga Brook in São Paulo.