It is a congruent number.
It is an unprimeable number.
Almost surely, 299976870 is an apocalyptic number.
99976870 is the 14140-th triangular number.
99976870 is the 4714-th centered nonagonal number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
99976870 is a wasteful number, since it uses less digits than its factorization.
99976870 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 373.
The square root of 99976870 is about 9998.8434331177. The cubic root of 99976870 is about 464.1230939519.
The spelling of 99976870 in words is "ninety-nine million, nine hundred seventy-six thousand, eight hundred seventy".