972797178291231 has 8 divisors (see below), whose sum is σ = 1299662228848000. Its totient is φ = 647231789964312.

The previous prime is 972797178291221. The next prime is 972797178291287. The reversal of 972797178291231 is 132192871797279.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 972797178291231 - 2⁹ = 972797178290719 is a prime.

It is a super-2 number, since 2×972797178291231² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972797178291221) by changing a digit.

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, 324915555715 + ... + 324915558708.

It is an arithmetic number, because the mean of its divisors is an integer number (162457778606000).

Almost surely, 2^{972797178291231} is an apocalyptic number.

972797178291231 is a deficient number, since it is larger than the sum of its proper divisors (326865050556769).

972797178291231 is a wasteful number, since it uses less digits than its factorization.

972797178291231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649831114925.

The product of its digits is 336063168, while the sum is 75.

The spelling of 972797178291231 in words is "nine hundred seventy-two trillion, seven hundred ninety-seven billion, one hundred seventy-eight million, two hundred ninety-one thousand, two hundred thirty-one".