88521320 has 16 divisors (see below), whose sum is σ = 199173060. Its totient is φ = 35408512.

The previous prime is 88521313. The next prime is 88521331. The reversal of 88521320 is 2312588.

It can be written as a sum of positive squares in 2 ways, for example, as 88322404 + 198916 = 9398^2 + 446^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1106477 + ... + 1106556.

Almost surely, 2^88521320 is an apocalyptic number.

It is an amenable number.

88521320 is an abundant number, since it is smaller than the sum of its proper divisors (110651740).

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

88521320 is a wasteful number, since it uses less digits than its factorization.

88521320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2213044 (or 2213040 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 88521320 is about 9408.5769380922. The cubic root of 88521320 is about 445.6726266988.

The spelling of 88521320 in words is "eighty-eight million, five hundred twenty-one thousand, three hundred twenty".