791679027609 has 8 divisors (see below), whose sum is σ = 1172857818720. Its totient is φ = 527786018388.

The previous prime is 791679027593. The next prime is 791679027641. The reversal of 791679027609 is 906720976197.

791679027609 is a `hidden beast` number, since 7 + 9 + 16 + 7 + 9 + 0 + 2 + 7 + 609 = 666.

It is not a de Polignac number, because 791679027609 - 2⁴ = 791679027593 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (791679023609) 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, 14660722707 + ... + 14660722760.

It is an arithmetic number, because the mean of its divisors is an integer number (146607227340).

Almost surely, 2^791679027609 is an apocalyptic number.

It is an amenable number.

791679027609 is a deficient number, since it is larger than the sum of its proper divisors (381178791111).

791679027609 is a wasteful number, since it uses less digits than its factorization.

791679027609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29321445476 (or 29321445470 counting only the distinct ones).

The product of its (nonzero) digits is 18003384, while the sum is 63.

The spelling of 791679027609 in words is "seven hundred ninety-one billion, six hundred seventy-nine million, twenty-seven thousand, six hundred nine".