89674772121 has 24 divisors (see below), whose sum is σ = 141328231200. Its totient is φ = 54339681600.

The previous prime is 89674772119. The next prime is 89674772141. The reversal of 89674772121 is 12127747698.

It is not a de Polignac number, because 89674772121 - 2¹ = 89674772119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89674772141) 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, 581605 + ... + 719453.

It is an arithmetic number, because the mean of its divisors is an integer number (5888676300).

Almost surely, 2^89674772121 is an apocalyptic number.

It is an amenable number.

89674772121 is a deficient number, since it is larger than the sum of its proper divisors (51653459079).

89674772121 is a wasteful number, since it uses less digits than its factorization.

89674772121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144437 (or 144434 counting only the distinct ones).

The product of its digits is 2370816, while the sum is 54.

The spelling of 89674772121 in words is "eighty-nine billion, six hundred seventy-four million, seven hundred seventy-two thousand, one hundred twenty-one".