79706857793 has 8 divisors (see below), whose sum is σ = 80750947200. Its totient is φ = 78663647088.

The previous prime is 79706857787. The next prime is 79706857807. The reversal of 79706857793 is 39775860797.

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 79706857793 - 2³⁴ = 62526988609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79706857723) 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, 36071 + ... + 400892.

It is an arithmetic number, because the mean of its divisors is an integer number (10093868400).

Almost surely, 2^79706857793 is an apocalyptic number.

It is an amenable number.

79706857793 is a deficient number, since it is larger than the sum of its proper divisors (1044089407).

79706857793 is a wasteful number, since it uses less digits than its factorization.

79706857793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439351.

The product of its (nonzero) digits is 140026320, while the sum is 68.

The spelling of 79706857793 in words is "seventy-nine billion, seven hundred six million, eight hundred fifty-seven thousand, seven hundred ninety-three".