972691755338 has 16 divisors (see below), whose sum is σ = 1527316093440. Its totient is φ = 464028322800.

The previous prime is 972691755323. The next prime is 972691755359. The reversal of 972691755338 is 833557196279.

It is a super-2 number, since 2×972691755338² (a number of 25 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 110478533 + ... + 110487336.

It is an arithmetic number, because the mean of its divisors is an integer number (95457255840).

Almost surely, 2^972691755338 is an apocalyptic number.

972691755338 is a deficient number, since it is larger than the sum of its proper divisors (554624338102).

972691755338 is a wasteful number, since it uses less digits than its factorization.

972691755338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220965973.

The product of its digits is 85730400, while the sum is 65.

The spelling of 972691755338 in words is "nine hundred seventy-two billion, six hundred ninety-one million, seven hundred fifty-five thousand, three hundred thirty-eight".