89918130688 has 20 divisors (see below), whose sum is σ = 179660641050. Its totient is φ = 44959065088.

The previous prime is 89918130671. The next prime is 89918130721. The reversal of 89918130688 is 88603181998.

It can be written as a sum of positive squares in only one way, i.e., 52108105984 + 37810024704 = 228272^2 + 194448^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87810163 + ... + 87811186.

Almost surely, 2^89918130688 is an apocalyptic number.

It is an amenable number.

89918130688 is a deficient number, since it is larger than the sum of its proper divisors (89742510362).

89918130688 is an equidigital number, since it uses as much as digits as its factorization.

89918130688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175621367 (or 175621351 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 61.

The spelling of 89918130688 in words is "eighty-nine billion, nine hundred eighteen million, one hundred thirty thousand, six hundred eighty-eight".