89942236172 has 36 divisors (see below), whose sum is σ = 161100780960. Its totient is φ = 43936681152.

The previous prime is 89942236129. The next prime is 89942236183. The reversal of 89942236172 is 27163224998.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2668658 + ... + 2702150.

Almost surely, 2^89942236172 is an apocalyptic number.

It is an amenable number.

89942236172 is a deficient number, since it is larger than the sum of its proper divisors (71158544788).

89942236172 is a wasteful number, since it uses less digits than its factorization.

89942236172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33842 (or 33787 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 53.

The spelling of 89942236172 in words is "eighty-nine billion, nine hundred forty-two million, two hundred thirty-six thousand, one hundred seventy-two".