87132900 has 36 divisors (see below), whose sum is σ = 252105392. Its totient is φ = 23235360.

The previous prime is 87132853. The next prime is 87132923. The reversal of 87132900 is 923178.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 144922 + ... + 145521.

Almost surely, 2^87132900 is an apocalyptic number.

It is an amenable number.

87132900 is an abundant number, since it is smaller than the sum of its proper divisors (164972492).

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

87132900 is a wasteful number, since it uses less digits than its factorization.

87132900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290460 (or 290453 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 87132900 is about 9334.5005222561. The cubic root of 87132900 is about 443.3302742862.

The spelling of 87132900 in words is "eighty-seven million, one hundred thirty-two thousand, nine hundred".