972500188 has 12 divisors (see below), whose sum is σ = 1856591352. Its totient is φ = 442045520.

The previous prime is 972500167. The next prime is 972500189. The reversal of 972500188 is 881005279.

It is a self number, because there is not a number n which added to its sum of digits gives 972500188.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972500189) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 11051095 + ... + 11051182.

It is an arithmetic number, because the mean of its divisors is an integer number (154715946).

Almost surely, 2^972500188 is an apocalyptic number.

It is an amenable number.

972500188 is a deficient number, since it is larger than the sum of its proper divisors (884091164).

972500188 is a wasteful number, since it uses less digits than its factorization.

972500188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22102292 (or 22102290 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 972500188 is about 31184.9352733014. The cubic root of 972500188 is about 990.7480616198.

The spelling of 972500188 in words is "nine hundred seventy-two million, five hundred thousand, one hundred eighty-eight".