89444939904 has 128 divisors (see below), whose sum is σ = 277881048000. Its totient is φ = 28245749760.

The previous prime is 89444939893. The next prime is 89444939921. The reversal of 89444939904 is 40993944498.

It is a tau number, because it is divible by the number of its divisors (128).

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, 615417 + ... + 746744.

Almost surely, 2^89444939904 is an apocalyptic number.

It is an amenable number.

89444939904 is an abundant number, since it is smaller than the sum of its proper divisors (188436108096).

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

89444939904 is a wasteful number, since it uses less digits than its factorization.

89444939904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362203 (or 1362185 counting only the distinct ones).

The product of its (nonzero) digits is 40310784, while the sum is 63.

The spelling of 89444939904 in words is "eighty-nine billion, four hundred forty-four million, nine hundred thirty-nine thousand, nine hundred four".