89617307556 has 72 divisors (see below), whose sum is σ = 243337076640. Its totient is φ = 25595461248.

The previous prime is 89617307539. The next prime is 89617307639. The reversal of 89617307556 is 65570371698.

It is a junction number, because it is equal to n+sod(n) for n = 89617307496 and 89617307505.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1644880 + ... + 1698488.

It is an arithmetic number, because the mean of its divisors is an integer number (3379681620).

Almost surely, 2^89617307556 is an apocalyptic number.

It is an amenable number.

89617307556 is an abundant number, since it is smaller than the sum of its proper divisors (153719769084).

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

89617307556 is a wasteful number, since it uses less digits than its factorization.

89617307556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56473 (or 56464 counting only the distinct ones).

The product of its (nonzero) digits is 9525600, while the sum is 57.

The spelling of 89617307556 in words is "eighty-nine billion, six hundred seventeen million, three hundred seven thousand, five hundred fifty-six".