89810075991172 has 12 divisors (see below), whose sum is σ = 157168120488400. Its totient is φ = 44904898708776.

The previous prime is 89810075991091. The next prime is 89810075991187. The reversal of 89810075991172 is 27119957001898.

It is a junction number, because it is equal to n+sod(n) for n = 89810075991098 and 89810075991107.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33364158 + ... + 35955349.

Almost surely, 2^{89810075991172} is an apocalyptic number.

It is an amenable number.

89810075991172 is a deficient number, since it is larger than the sum of its proper divisors (67358044497228).

89810075991172 is a wasteful number, since it uses less digits than its factorization.

89810075991172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69643410 (or 69643408 counting only the distinct ones).

The product of its (nonzero) digits is 22861440, while the sum is 67.

The spelling of 89810075991172 in words is "eighty-nine trillion, eight hundred ten billion, seventy-five million, nine hundred ninety-one thousand, one hundred seventy-two".