89997111672 has 96 divisors (see below), whose sum is σ = 256454150400. Its totient is φ = 26233953408.

The previous prime is 89997111671. The next prime is 89997111679. The reversal of 89997111672 is 27611179998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89997111671) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 506848 + ... + 660975.

It is an arithmetic number, because the mean of its divisors is an integer number (2671397400).

Almost surely, 2^89997111672 is an apocalyptic number.

It is an amenable number.

89997111672 is an abundant number, since it is smaller than the sum of its proper divisors (166457038728).

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

89997111672 is a wasteful number, since it uses less digits than its factorization.

89997111672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167877 (or 1167860 counting only the distinct ones).

The product of its digits is 3429216, while the sum is 60.

The spelling of 89997111672 in words is "eighty-nine billion, nine hundred ninety-seven million, one hundred eleven thousand, six hundred seventy-two".