88639000604 has 108 divisors (see below), whose sum is σ = 203178684240. Its totient is φ = 33691996800.

The previous prime is 88639000577. The next prime is 88639000607. The reversal of 88639000604 is 40600093688.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88639000607) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 926777 + ... + 1017935.

Almost surely, 2^88639000604 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88639000604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101589342120).

88639000604 is an abundant number, since it is smaller than the sum of its proper divisors (114539683636).

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

88639000604 is a wasteful number, since it uses less digits than its factorization.

88639000604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91240 (or 91220 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 44.

The spelling of 88639000604 in words is "eighty-eight billion, six hundred thirty-nine million, six hundred four", and thus it is an aban number.