88931997225 has 192 divisors, whose sum is σ = 173594603520. Its totient is φ = 44547148800.

The previous prime is 88931997163. The next prime is 88931997229. The reversal of 88931997225 is 52279913988.

88931997225 is a `hidden beast` number, since 8 + 8 + 9 + 319 + 97 + 225 = 666.

It is not a de Polignac number, because 88931997225 - 2¹³ = 88931989033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (88931997229) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 285954820 + ... + 285955130.

It is an arithmetic number, because the mean of its divisors is an integer number (904138560).

Almost surely, 2^88931997225 is an apocalyptic number.

It is an amenable number.

88931997225 is a deficient number, since it is larger than the sum of its proper divisors (84662606295).

88931997225 is a wasteful number, since it uses less digits than its factorization.

88931997225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629 (or 618 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 63.

The spelling of 88931997225 in words is "eighty-eight billion, nine hundred thirty-one million, nine hundred ninety-seven thousand, two hundred twenty-five".