88690631904 has 216 divisors, whose sum is σ = 300549635568. Its totient is φ = 24721966080.

The previous prime is 88690631873. The next prime is 88690631917. The reversal of 88690631904 is 40913609688.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 501949 + ... + 655235.

It is an arithmetic number, because the mean of its divisors is an integer number (1391433498).

Almost surely, 2^88690631904 is an apocalyptic number.

88690631904 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 88690631904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150274817784).

88690631904 is an abundant number, since it is smaller than the sum of its proper divisors (211859003664).

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

88690631904 is a wasteful number, since it uses less digits than its factorization.

88690631904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153358 (or 153340 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The spelling of 88690631904 in words is "eighty-eight billion, six hundred ninety million, six hundred thirty-one thousand, nine hundred four".