87717604 has 48 divisors (see below), whose sum is σ = 177811200. Its totient is φ = 37518336.

The previous prime is 87717593. The next prime is 87717611. The reversal of 87717604 is 40671778.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45492 + ... + 47380.

It is an arithmetic number, because the mean of its divisors is an integer number (3704400).

Almost surely, 2^87717604 is an apocalyptic number.

It is an amenable number.

87717604 is an abundant number, since it is smaller than the sum of its proper divisors (90093596).

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

87717604 is a wasteful number, since it uses less digits than its factorization.

87717604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1972 (or 1970 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 40.

The square root of 87717604 is about 9365.7676674152. The cubic root of 87717604 is about 444.3197180471.

It can be divided in two parts, 877 and 17604, that added together give a palindrome (18481).

The spelling of 87717604 in words is "eighty-seven million, seven hundred seventeen thousand, six hundred four".