89439939204 has 96 divisors (see below), whose sum is σ = 261109072896. Its totient is φ = 23148996480.

The previous prime is 89439939187. The next prime is 89439939217. The reversal of 89439939204 is 40293993498.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90474 + ... + 432510.

It is an arithmetic number, because the mean of its divisors is an integer number (2719886176).

Almost surely, 2^89439939204 is an apocalyptic number.

89439939204 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89439939204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130554536448).

89439939204 is an abundant number, since it is smaller than the sum of its proper divisors (171669133692).

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

89439939204 is a wasteful number, since it uses less digits than its factorization.

89439939204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342345 (or 342343 counting only the distinct ones).

The product of its (nonzero) digits is 15116544, while the sum is 60.

The spelling of 89439939204 in words is "eighty-nine billion, four hundred thirty-nine million, nine hundred thirty-nine thousand, two hundred four".