89875520 has 56 divisors (see below), whose sum is σ = 244595904. Its totient is φ = 30813696.

The previous prime is 89875519. The next prime is 89875531. The reversal of 89875520 is 2557898.

It is a tau number, because it is divible by the number of its divisors (56).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17822 + ... + 22301.

It is an arithmetic number, because the mean of its divisors is an integer number (4367784).

Almost surely, 2^89875520 is an apocalyptic number.

89875520 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89875520 is an abundant number, since it is smaller than the sum of its proper divisors (154720384).

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

89875520 is a wasteful number, since it uses less digits than its factorization.

89875520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40147 (or 40137 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 44.

The square root of 89875520 is about 9480.2700383481. The cubic root of 89875520 is about 447.9337699713.

The spelling of 89875520 in words is "eighty-nine million, eight hundred seventy-five thousand, five hundred twenty".