88664928 has 144 divisors (see below), whose sum is σ = 271479600. Its totient is φ = 25231360.

The previous prime is 88664921. The next prime is 88664951. The reversal of 88664928 is 82946688.

It is a happy number.

It is a super-2 number, since 2×88664928² = 15722938914490368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88664921) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 197248 + ... + 197696.

It is an arithmetic number, because the mean of its divisors is an integer number (1885275).

Almost surely, 2^88664928 is an apocalyptic number.

88664928 is a gapful number since it is divisible by the number (88) 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 88664928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135739800).

88664928 is an abundant number, since it is smaller than the sum of its proper divisors (182814672).

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

88664928 is a wasteful number, since it uses less digits than its factorization.

88664928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501 (or 482 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 51.

The square root of 88664928 is about 9416.2056052319. The cubic root of 88664928 is about 445.9135011591.

The spelling of 88664928 in words is "eighty-eight million, six hundred sixty-four thousand, nine hundred twenty-eight".