88664520 has 192 divisors, whose sum is σ = 327991680. Its totient is φ = 19052544.

The previous prime is 88664519. The next prime is 88664539. The reversal of 88664520 is 2546688.

It is a super-2 number, since 2×88664520² = 15722794213660800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 99517 + ... + 100403.

It is an arithmetic number, because the mean of its divisors is an integer number (1708290).

Almost surely, 2^88664520 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 88664520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163995840).

88664520 is an abundant number, since it is smaller than the sum of its proper divisors (239327160).

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

88664520 is a wasteful number, since it uses less digits than its factorization.

88664520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932 (or 921 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 88664520 is about 9416.1839404294. The cubic root of 88664520 is about 445.9128171870.

The spelling of 88664520 in words is "eighty-eight million, six hundred sixty-four thousand, five hundred twenty".