89907566694864 has 80 divisors (see below), whose sum is σ = 233381586937920. Its totient is φ = 29824648519680.

The previous prime is 89907566694793. The next prime is 89907566694931. The reversal of 89907566694864 is 46849666570998.

It is a congruent number.

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, 122151502 + ... + 122885330.

It is an arithmetic number, because the mean of its divisors is an integer number (2917269836724).

Almost surely, 2^{89907566694864} is an apocalyptic number.

It is an amenable number.

89907566694864 is an abundant number, since it is smaller than the sum of its proper divisors (143474020243056).

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

89907566694864 is a wasteful number, since it uses less digits than its factorization.

89907566694864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746148 (or 746142 counting only the distinct ones).

The product of its (nonzero) digits is 33861058560, while the sum is 87.

The spelling of 89907566694864 in words is "eighty-nine trillion, nine hundred seven billion, five hundred sixty-six million, six hundred ninety-four thousand, eight hundred sixty-four".