89520816 has 160 divisors (see below), whose sum is σ = 294409728. Its totient is φ = 22763520.

The previous prime is 89520811. The next prime is 89520833. The reversal of 89520816 is 61802598.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89520811) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195660 + ... + 196116.

Almost surely, 2^89520816 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 89520816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147204864).

89520816 is an abundant number, since it is smaller than the sum of its proper divisors (204888912).

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

89520816 is a wasteful number, since it uses less digits than its factorization.

89520816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539 (or 533 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 89520816 is about 9461.5440600359. The cubic root of 89520816 is about 447.3437191348.

The spelling of 89520816 in words is "eighty-nine million, five hundred twenty thousand, eight hundred sixteen".