79157388679 has 2 divisors, whose sum is σ = 79157388680. Its totient is φ = 79157388678.

The previous prime is 79157388623. The next prime is 79157388689. The reversal of 79157388679 is 97688375197.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79157388679 - 2¹³ = 79157380487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79157388689) 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, 39578694339 + 39578694340.

It is an arithmetic number, because the mean of its divisors is an integer number (39578694340).

Almost surely, 2^79157388679 is an apocalyptic number.

79157388679 is a deficient number, since it is larger than the sum of its proper divisors (1).

79157388679 is an equidigital number, since it uses as much as digits as its factorization.

79157388679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 160030080, while the sum is 70.

The spelling of 79157388679 in words is "seventy-nine billion, one hundred fifty-seven million, three hundred eighty-eight thousand, six hundred seventy-nine".