772656880831 has 8 divisors (see below), whose sum is σ = 842911438464. Its totient is φ = 702404493720.

The previous prime is 772656880829. The next prime is 772656880859. The reversal of 772656880831 is 138088656277.

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

It is a cyclic number.

It is not a de Polignac number, because 772656880831 - 2¹ = 772656880829 is a prime.

It is a super-2 number, since 2×772656880831² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 772656880831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (772656887831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252336 + ... + 1268458.

It is an arithmetic number, because the mean of its divisors is an integer number (105363929808).

Almost surely, 2^772656880831 is an apocalyptic number.

772656880831 is a deficient number, since it is larger than the sum of its proper divisors (70254557633).

772656880831 is a wasteful number, since it uses less digits than its factorization.

772656880831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085261.

The product of its (nonzero) digits is 27095040, while the sum is 61.

The spelling of 772656880831 in words is "seven hundred seventy-two billion, six hundred fifty-six million, eight hundred eighty thousand, eight hundred thirty-one".