972856438083 has 32 divisors (see below), whose sum is σ = 1578671726400. Its totient is φ = 589370761728.

The previous prime is 972856438031. The next prime is 972856438091. The reversal of 972856438083 is 380834658279.

972856438083 is a `hidden beast` number, since 9 + 72 + 8 + 56 + 438 + 0 + 83 = 666.

It is not a de Polignac number, because 972856438083 - 2⁹ = 972856437571 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 972856438083.

It is not an unprimeable number, because it can be changed into a prime (972856438283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36530016 + ... + 36556637.

It is an arithmetic number, because the mean of its divisors is an integer number (49333491450).

Almost surely, 2^972856438083 is an apocalyptic number.

972856438083 is a deficient number, since it is larger than the sum of its proper divisors (605815288317).

972856438083 is a wasteful number, since it uses less digits than its factorization.

972856438083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73086708 (or 73086702 counting only the distinct ones).

The product of its (nonzero) digits is 69672960, while the sum is 63.

The spelling of 972856438083 in words is "nine hundred seventy-two billion, eight hundred fifty-six million, four hundred thirty-eight thousand, eighty-three".