794647135557 has 64 divisors (see below), whose sum is σ = 1342445598720. Its totient is φ = 459864345600.

The previous prime is 794647135519. The next prime is 794647135591. The reversal of 794647135557 is 755531746497.

794647135557 is a `hidden beast` number, since 7 + 9 + 4 + 6 + 4 + 71 + 3 + 5 + 557 = 666.

It is not a de Polignac number, because 794647135557 - 2⁸ = 794647135301 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 794647135494 and 794647135503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (794647131557) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3840682 + ... + 4042292.

It is an arithmetic number, because the mean of its divisors is an integer number (20975712480).

Almost surely, 2^794647135557 is an apocalyptic number.

It is an amenable number.

794647135557 is a deficient number, since it is larger than the sum of its proper divisors (547798463163).

794647135557 is a wasteful number, since it uses less digits than its factorization.

794647135557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202231 (or 202225 counting only the distinct ones).

The product of its digits is 111132000, while the sum is 63.

The spelling of 794647135557 in words is "seven hundred ninety-four billion, six hundred forty-seven million, one hundred thirty-five thousand, five hundred fifty-seven".