87256504 has 8 divisors (see below), whose sum is σ = 163605960. Its totient is φ = 43628248.

The previous prime is 87256483. The next prime is 87256511. The reversal of 87256504 is 40565278.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×87256504² = 15227394980604032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5453524 + ... + 5453539.

It is an arithmetic number, because the mean of its divisors is an integer number (20450745).

Almost surely, 2^87256504 is an apocalyptic number.

It is an amenable number.

87256504 is a deficient number, since it is larger than the sum of its proper divisors (76349456).

87256504 is a wasteful number, since it uses less digits than its factorization.

87256504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10907069 (or 10907065 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 87256504 is about 9341.1189907848. The cubic root of 87256504 is about 443.5398067144.

The spelling of 87256504 in words is "eighty-seven million, two hundred fifty-six thousand, five hundred four".