79706395571879 has 2 divisors, whose sum is σ = 79706395571880. Its totient is φ = 79706395571878.

The previous prime is 79706395571861. The next prime is 79706395571923. The reversal of 79706395571879 is 97817559360797.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79706395571879 - 2⁸ = 79706395571623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79706395571797 and 79706395571806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79706395571849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39853197785939 + 39853197785940.

It is an arithmetic number, because the mean of its divisors is an integer number (39853197785940).

Almost surely, 2^{79706395571879} is an apocalyptic number.

79706395571879 is a deficient number, since it is larger than the sum of its proper divisors (1).

79706395571879 is an equidigital number, since it uses as much as digits as its factorization.

79706395571879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6301184400, while the sum is 83.

The spelling of 79706395571879 in words is "seventy-nine trillion, seven hundred six billion, three hundred ninety-five million, five hundred seventy-one thousand, eight hundred seventy-nine".