791295872856 has 16 divisors (see below), whose sum is σ = 1978239682200. Its totient is φ = 263765290944.

The previous prime is 791295872837. The next prime is 791295872893. The reversal of 791295872856 is 658278592197.

It is a super-2 number, since 2×791295872856² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16485330661 + ... + 16485330708.

Almost surely, 2^791295872856 is an apocalyptic number.

It is an amenable number.

791295872856 is an abundant number, since it is smaller than the sum of its proper divisors (1186943809344).

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

791295872856 is a wasteful number, since it uses less digits than its factorization.

791295872856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32970661378 (or 32970661374 counting only the distinct ones).

The product of its digits is 152409600, while the sum is 69.

The spelling of 791295872856 in words is "seven hundred ninety-one billion, two hundred ninety-five million, eight hundred seventy-two thousand, eight hundred fifty-six".