87931309675 has 24 divisors (see below), whose sum is σ = 118963917072. Its totient is φ = 63940992000.

The previous prime is 87931309633. The next prime is 87931309681. The reversal of 87931309675 is 57690313978.

It is a happy number.

It is not a de Polignac number, because 87931309675 - 2⁷ = 87931309547 is a prime.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2391027 + ... + 2427523.

It is an arithmetic number, because the mean of its divisors is an integer number (4956829878).

Almost surely, 2^87931309675 is an apocalyptic number.

87931309675 is a deficient number, since it is larger than the sum of its proper divisors (31032607397).

87931309675 is a wasteful number, since it uses less digits than its factorization.

87931309675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45279 (or 45274 counting only the distinct ones).

The product of its (nonzero) digits is 8573040, while the sum is 58.

The spelling of 87931309675 in words is "eighty-seven billion, nine hundred thirty-one million, three hundred nine thousand, six hundred seventy-five".