88389916525 has 12 divisors (see below), whose sum is σ = 111400277044. Its totient is φ = 69552720000.

The previous prime is 88389916519. The next prime is 88389916567. The reversal of 88389916525 is 52561998388.

It can be written as a sum of positive squares in 6 ways, for example, as 14152195369 + 74237721156 = 118963^2 + 272466^2 .

It is not a de Polignac number, because 88389916525 - 2⁵ = 88389916493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28978776 + ... + 28981825.

Almost surely, 2^88389916525 is an apocalyptic number.

It is an amenable number.

88389916525 is a deficient number, since it is larger than the sum of its proper divisors (23010360519).

88389916525 is a wasteful number, since it uses less digits than its factorization.

88389916525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57960672 (or 57960667 counting only the distinct ones).

The product of its digits is 37324800, while the sum is 64.

The spelling of 88389916525 in words is "eighty-eight billion, three hundred eighty-nine million, nine hundred sixteen thousand, five hundred twenty-five".