88564520 has 128 divisors (see below), whose sum is σ = 231137280. Its totient is φ = 30240000.

The previous prime is 88564517. The next prime is 88564547. The reversal of 88564520 is 2546588.

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, 586445 + ... + 586595.

It is an arithmetic number, because the mean of its divisors is an integer number (1805760).

Almost surely, 2^88564520 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 88564520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115568640).

88564520 is an abundant number, since it is smaller than the sum of its proper divisors (142572760).

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

88564520 is a wasteful number, since it uses less digits than its factorization.

88564520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 38.

The square root of 88564520 is about 9410.8724356459. The cubic root of 88564520 is about 445.7451136672.

The spelling of 88564520 in words is "eighty-eight million, five hundred sixty-four thousand, five hundred twenty".