87992874 has 24 divisors (see below), whose sum is σ = 192342852. Its totient is φ = 29070720.

The previous prime is 87992837. The next prime is 87992897. The reversal of 87992874 is 47829978.

It can be written as a sum of positive squares in 2 ways, for example, as 80192025 + 7800849 = 8955^2 + 2793^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 87992874.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19597 + ... + 23664.

Almost surely, 2^87992874 is an apocalyptic number.

87992874 is an abundant number, since it is smaller than the sum of its proper divisors (104349978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87992874 is a wasteful number, since it uses less digits than its factorization.

87992874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43382 (or 43379 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 54.

The square root of 87992874 is about 9380.4516948812. The cubic root of 87992874 is about 444.7840116670.

The spelling of 87992874 in words is "eighty-seven million, nine hundred ninety-two thousand, eight hundred seventy-four".