972831859506 has 24 divisors (see below), whose sum is σ = 2269941006060. Its totient is φ = 299332879776.

The previous prime is 972831859477. The next prime is 972831859513. The reversal of 972831859506 is 605958138279.

972831859506 is a `hidden beast` number, since 9 + 7 + 2 + 8 + 31 + 8 + 595 + 0 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 945641498481 + 27190361025 = 972441^2 + 164895^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2078700321 + ... + 2078700788.

Almost surely, 2^972831859506 is an apocalyptic number.

972831859506 is an abundant number, since it is smaller than the sum of its proper divisors (1297109146554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

972831859506 is a wasteful number, since it uses less digits than its factorization.

972831859506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4157401130 (or 4157401127 counting only the distinct ones).

The product of its (nonzero) digits is 32659200, while the sum is 63.

The spelling of 972831859506 in words is "nine hundred seventy-two billion, eight hundred thirty-one million, eight hundred fifty-nine thousand, five hundred six".