79514645879 has 2 divisors, whose sum is σ = 79514645880. Its totient is φ = 79514645878.

The previous prime is 79514645869. The next prime is 79514645939. The reversal of 79514645879 is 97854641597.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79514645879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79514645869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39757322939 + 39757322940.

It is an arithmetic number, because the mean of its divisors is an integer number (39757322940).

Almost surely, 2^79514645879 is an apocalyptic number.

79514645879 is a deficient number, since it is larger than the sum of its proper divisors (1).

79514645879 is an equidigital number, since it uses as much as digits as its factorization.

79514645879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 76204800, while the sum is 65.

The spelling of 79514645879 in words is "seventy-nine billion, five hundred fourteen million, six hundred forty-five thousand, eight hundred seventy-nine".