87132996 has 42 divisors (see below), whose sum is σ = 228627182. Its totient is φ = 29043360.

The previous prime is 87132979. The next prime is 87133037. The reversal of 87132996 is 69923178.

It can be written as a sum of positive squares in only one way, i.e., 57972996 + 29160000 = 7614^2 + 5400^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 12025 + ... + 17856.

Almost surely, 2^87132996 is an apocalyptic number.

It is an amenable number.

87132996 is an abundant number, since it is smaller than the sum of its proper divisors (141494186).

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

87132996 is a wasteful number, since it uses less digits than its factorization.

87132996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29903 (or 29886 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 87132996 is about 9334.5056644688. The cubic root of 87132996 is about 443.3304371014.

The spelling of 87132996 in words is "eighty-seven million, one hundred thirty-two thousand, nine hundred ninety-six".