87117504 has 28 divisors (see below), whose sum is σ = 230498904. Its totient is φ = 29039104.

The previous prime is 87117467. The next prime is 87117509. The reversal of 87117504 is 40571178.

It is not an unprimeable number, because it can be changed into a prime (87117509) 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 3 ways as a sum of consecutive naturals, for example, 226677 + ... + 227060.

Almost surely, 2^87117504 is an apocalyptic number.

It is an amenable number.

87117504 is an abundant number, since it is smaller than the sum of its proper divisors (143381400).

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

87117504 is a wasteful number, since it uses less digits than its factorization.

87117504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453752 (or 453742 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 33.

The square root of 87117504 is about 9333.6758032407. The cubic root of 87117504 is about 443.3041612453.

The spelling of 87117504 in words is "eighty-seven million, one hundred seventeen thousand, five hundred four".