89616121172 has 12 divisors (see below), whose sum is σ = 159486317760. Its totient is φ = 44048601816.

The previous prime is 89616121171. The next prime is 89616121181. The reversal of 89616121172 is 27112161698.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89616121171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189864428 + ... + 189864899.

It is an arithmetic number, because the mean of its divisors is an integer number (13290526480).

Almost surely, 2^89616121172 is an apocalyptic number.

It is an amenable number.

89616121172 is a deficient number, since it is larger than the sum of its proper divisors (69870196588).

89616121172 is a wasteful number, since it uses less digits than its factorization.

89616121172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379729390 (or 379729388 counting only the distinct ones).

The product of its digits is 72576, while the sum is 44.

The spelling of 89616121172 in words is "eighty-nine billion, six hundred sixteen million, one hundred twenty-one thousand, one hundred seventy-two".