79718311 has 2 divisors, whose sum is σ = 79718312. Its totient is φ = 79718310.

The previous prime is 79718273. The next prime is 79718323. The reversal of 79718311 is 11381797.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79718311 - 2⁷ = 79718183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79718341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39859155 + 39859156.

It is an arithmetic number, because the mean of its divisors is an integer number (39859156).

Almost surely, 2^79718311 is an apocalyptic number.

79718311 is a deficient number, since it is larger than the sum of its proper divisors (1).

79718311 is an equidigital number, since it uses as much as digits as its factorization.

79718311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10584, while the sum is 37.

The square root of 79718311 is about 8928.5111300821. The cubic root of 79718311 is about 430.3806094661.

The spelling of 79718311 in words is "seventy-nine million, seven hundred eighteen thousand, three hundred eleven".