87931309674 has 32 divisors (see below), whose sum is σ = 189862876224. Its totient is φ = 26988307200.

The previous prime is 87931309633. The next prime is 87931309681. The reversal of 87931309674 is 47690313978.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1374364 + ... + 1436919.

It is an arithmetic number, because the mean of its divisors is an integer number (5933214882).

Almost surely, 2^87931309674 is an apocalyptic number.

87931309674 is an abundant number, since it is smaller than the sum of its proper divisors (101931566550).

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

87931309674 is a wasteful number, since it uses less digits than its factorization.

87931309674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2811702.

The product of its (nonzero) digits is 6858432, while the sum is 57.

The spelling of 87931309674 in words is "eighty-seven billion, nine hundred thirty-one million, three hundred nine thousand, six hundred seventy-four".