87510972 has 12 divisors (see below), whose sum is σ = 204192296. Its totient is φ = 29170320.

The previous prime is 87510953. The next prime is 87510991. The reversal of 87510972 is 27901578.

It is an interprime number because it is at equal distance from previous prime (87510953) and next prime (87510991).

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 87510972.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3646279 + ... + 3646302.

Almost surely, 2^87510972 is an apocalyptic number.

It is an amenable number.

87510972 is an abundant number, since it is smaller than the sum of its proper divisors (116681324).

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

87510972 is a wasteful number, since it uses less digits than its factorization.

87510972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7292588 (or 7292586 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 39.

The square root of 87510972 is about 9354.7299266200. The cubic root of 87510972 is about 443.9705564437.

The spelling of 87510972 in words is "eighty-seven million, five hundred ten thousand, nine hundred seventy-two".