87170852 has 24 divisors (see below), whose sum is σ = 154395360. Its totient is φ = 43061760.

The previous prime is 87170773. The next prime is 87170861. The reversal of 87170852 is 25807178.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150788 + ... + 151364.

It is an arithmetic number, because the mean of its divisors is an integer number (6433140).

Almost surely, 2^87170852 is an apocalyptic number.

It is an amenable number.

87170852 is a deficient number, since it is larger than the sum of its proper divisors (67224508).

87170852 is a wasteful number, since it uses less digits than its factorization.

87170852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971 (or 969 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 38.

The square root of 87170852 is about 9336.5331895731. The cubic root of 87170852 is about 443.3946312564.

The spelling of 87170852 in words is "eighty-seven million, one hundred seventy thousand, eight hundred fifty-two".