87931160 has 32 divisors (see below), whose sum is σ = 198123840. Its totient is φ = 35122944.

The previous prime is 87931153. The next prime is 87931169. The reversal of 87931160 is 6113978.

It is a self number, because there is not a number n which added to its sum of digits gives 87931160.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87931169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43124 + ... + 45116.

It is an arithmetic number, because the mean of its divisors is an integer number (6191370).

Almost surely, 2^87931160 is an apocalyptic number.

It is an amenable number.

87931160 is an abundant number, since it is smaller than the sum of its proper divisors (110192680).

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

87931160 is a wasteful number, since it uses less digits than its factorization.

87931160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3107 (or 3103 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 87931160 is about 9377.1616174619. The cubic root of 87931160 is about 444.6800039256.

The spelling of 87931160 in words is "eighty-seven million, nine hundred thirty-one thousand, one hundred sixty".