87612504 has 32 divisors (see below), whose sum is σ = 250321920. Its totient is φ = 25032096.

The previous prime is 87612491. The next prime is 87612517. The reversal of 87612504 is 40521678.

It is an interprime number because it is at equal distance from previous prime (87612491) and next prime (87612517).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260584 + ... + 260919.

It is an arithmetic number, because the mean of its divisors is an integer number (7822560).

Almost surely, 2^87612504 is an apocalyptic number.

87612504 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

87612504 is an abundant number, since it is smaller than the sum of its proper divisors (162709416).

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

87612504 is a wasteful number, since it uses less digits than its factorization.

87612504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521519 (or 521515 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 87612504 is about 9360.1551269196. The cubic root of 87612504 is about 444.1421912897.

The spelling of 87612504 in words is "eighty-seven million, six hundred twelve thousand, five hundred four".