89918668496 has 40 divisors (see below), whose sum is σ = 178499215944. Its totient is φ = 43854755840.

The previous prime is 89918668439. The next prime is 89918668507. The reversal of 89918668496 is 69486681998.

It can be written as a sum of positive squares in 4 ways, for example, as 250000 + 89918418496 = 500^2 + 299864^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5300540 + ... + 5317476.

Almost surely, 2^89918668496 is an apocalyptic number.

It is an amenable number.

89918668496 is a deficient number, since it is larger than the sum of its proper divisors (88580547448).

89918668496 is a wasteful number, since it uses less digits than its factorization.

89918668496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25079 (or 25073 counting only the distinct ones).

The product of its digits is 322486272, while the sum is 74.

The spelling of 89918668496 in words is "eighty-nine billion, nine hundred eighteen million, six hundred sixty-eight thousand, four hundred ninety-six".