89408125920 has 48 divisors (see below), whose sum is σ = 281635598160. Its totient is φ = 23842166784.

The previous prime is 89408125907. The next prime is 89408125921. The reversal of 89408125920 is 2952180498.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 89408125920.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89408125921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93132985 + ... + 93133944.

It is an arithmetic number, because the mean of its divisors is an integer number (5867408295).

Almost surely, 2^89408125920 is an apocalyptic number.

89408125920 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89408125920 is an abundant number, since it is smaller than the sum of its proper divisors (192227472240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89408125920 is a wasteful number, since it uses less digits than its factorization.

89408125920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186266947 (or 186266939 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 48.

The spelling of 89408125920 in words is "eighty-nine billion, four hundred eight million, one hundred twenty-five thousand, nine hundred twenty".