79344842771 has 2 divisors, whose sum is σ = 79344842772. Its totient is φ = 79344842770.

The previous prime is 79344842741. The next prime is 79344842777. The reversal of 79344842771 is 17724844397.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79344842771 is a prime.

It is not a weakly prime, because it can be changed into another prime (79344842777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39672421385 + 39672421386.

It is an arithmetic number, because the mean of its divisors is an integer number (39672421386).

Almost surely, 2^79344842771 is an apocalyptic number.

79344842771 is a deficient number, since it is larger than the sum of its proper divisors (1).

79344842771 is an equidigital number, since it uses as much as digits as its factorization.

79344842771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9483264, while the sum is 56.

The spelling of 79344842771 in words is "seventy-nine billion, three hundred forty-four million, eight hundred forty-two thousand, seven hundred seventy-one".