89832187621 has 16 divisors (see below), whose sum is σ = 99578223360. Its totient is φ = 80356461120.

The previous prime is 89832187603. The next prime is 89832187667. The reversal of 89832187621 is 12678123898.

It is a cyclic number.

It is not a de Polignac number, because 89832187621 - 2²⁵ = 89798633189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89832187691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78211 + ... + 431023.

It is an arithmetic number, because the mean of its divisors is an integer number (6223638960).

Almost surely, 2^89832187621 is an apocalyptic number.

It is an amenable number.

89832187621 is a deficient number, since it is larger than the sum of its proper divisors (9746035739).

89832187621 is a wasteful number, since it uses less digits than its factorization.

89832187621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353196.

The product of its digits is 2322432, while the sum is 55.

The spelling of 89832187621 in words is "eighty-nine billion, eight hundred thirty-two million, one hundred eighty-seven thousand, six hundred twenty-one".