888397601972 has 24 divisors (see below), whose sum is σ = 1630337608200. Its totient is φ = 423006506496.

The previous prime is 888397601957. The next prime is 888397601981. The reversal of 888397601972 is 279106793888.

It can be written as a sum of positive squares in 4 ways, for example, as 98442827536 + 789954774436 = 313756^2 + 888794^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52447697 + ... + 52464632.

It is an arithmetic number, because the mean of its divisors is an integer number (67930733675).

Almost surely, 2^888397601972 is an apocalyptic number.

It is an amenable number.

888397601972 is a deficient number, since it is larger than the sum of its proper divisors (741940006228).

888397601972 is a wasteful number, since it uses less digits than its factorization.

888397601972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104912435 (or 104912433 counting only the distinct ones).

The product of its (nonzero) digits is 73156608, while the sum is 68.

The spelling of 888397601972 in words is "eight hundred eighty-eight billion, three hundred ninety-seven million, six hundred one thousand, nine hundred seventy-two".