87180832 has 12 divisors (see below), whose sum is σ = 171637326. Its totient is φ = 43590400.

The previous prime is 87180809. The next prime is 87180857. The reversal of 87180832 is 23808178.

It can be written as a sum of positive squares in only one way, i.e., 58920976 + 28259856 = 7676^2 + 5316^2 .

It is a junction number, because it is equal to n+sod(n) for n = 87180791 and 87180800.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1362169 + ... + 1362232.

Almost surely, 2^87180832 is an apocalyptic number.

It is an amenable number.

87180832 is a deficient number, since it is larger than the sum of its proper divisors (84456494).

87180832 is a wasteful number, since it uses less digits than its factorization.

87180832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2724411 (or 2724403 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 87180832 is about 9337.0676338988. The cubic root of 87180832 is about 443.4115517042.

The spelling of 87180832 in words is "eighty-seven million, one hundred eighty thousand, eight hundred thirty-two".