88725640365 has 12 divisors (see below), whose sum is σ = 153791110044. Its totient is φ = 47320341504.

The previous prime is 88725640349. The next prime is 88725640391. The reversal of 88725640365 is 56304652788.

88725640365 is a `hidden beast` number, since 8 + 8 + 72 + 564 + 0 + 3 + 6 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9203332356 + 79522308009 = 95934^2 + 281997^2 .

It is not a de Polignac number, because 88725640365 - 2⁴ = 88725640349 is a prime.

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, 985840404 + ... + 985840493.

It is an arithmetic number, because the mean of its divisors is an integer number (12815925837).

Almost surely, 2^88725640365 is an apocalyptic number.

It is an amenable number.

88725640365 is a deficient number, since it is larger than the sum of its proper divisors (65065469679).

88725640365 is a wasteful number, since it uses less digits than its factorization.

88725640365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1971680908 (or 1971680905 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 54.

The spelling of 88725640365 in words is "eighty-eight billion, seven hundred twenty-five million, six hundred forty thousand, three hundred sixty-five".