89569872 has 120 divisors (see below), whose sum is σ = 303391296. Its totient is φ = 24081408.

The previous prime is 89569861. The next prime is 89569873. The reversal of 89569872 is 27896598.

It is a happy number.

89569872 is a `hidden beast` number, since 8 + 9 + 569 + 8 + 72 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89569873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14523 + ... + 19749.

Almost surely, 2^89569872 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 89569872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151695648).

89569872 is an abundant number, since it is smaller than the sum of its proper divisors (213821424).

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

89569872 is a wasteful number, since it uses less digits than its factorization.

89569872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5265 (or 5256 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 89569872 is about 9464.1360936960. The cubic root of 89569872 is about 447.4254166558.

The spelling of 89569872 in words is "eighty-nine million, five hundred sixty-nine thousand, eight hundred seventy-two".