87032817 has 12 divisors (see below), whose sum is σ = 128638224. Its totient is φ = 56672280.

The previous prime is 87032807. The next prime is 87032819. The reversal of 87032817 is 71823078.

It is not a de Polignac number, because 87032817 - 2⁴ = 87032801 is a prime.

It is a super-2 number, since 2×87032817² = 15149422469910978, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (87032819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112059 + ... + 112832.

It is an arithmetic number, because the mean of its divisors is an integer number (10719852).

Almost surely, 2^87032817 is an apocalyptic number.

It is an amenable number.

87032817 is a deficient number, since it is larger than the sum of its proper divisors (41605407).

87032817 is a wasteful number, since it uses less digits than its factorization.

87032817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224940 (or 224937 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 87032817 is about 9329.1380630796. The cubic root of 87032817 is about 443.1604692230.

The spelling of 87032817 in words is "eighty-seven million, thirty-two thousand, eight hundred seventeen".