87179244 has 12 divisors (see below), whose sum is σ = 203418264. Its totient is φ = 29059744.

The previous prime is 87179233. The next prime is 87179263. The reversal of 87179244 is 44297178.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 87179196 and 87179205.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3632457 + ... + 3632480.

It is an arithmetic number, because the mean of its divisors is an integer number (16951522).

Almost surely, 2^87179244 is an apocalyptic number.

It is an amenable number.

87179244 is an abundant number, since it is smaller than the sum of its proper divisors (116239020).

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

87179244 is a wasteful number, since it uses less digits than its factorization.

87179244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7264944 (or 7264942 counting only the distinct ones).

The product of its digits is 112896, while the sum is 42.

The square root of 87179244 is about 9336.9825961067. The cubic root of 87179244 is about 443.4088594387.

The spelling of 87179244 in words is "eighty-seven million, one hundred seventy-nine thousand, two hundred forty-four".