313296779 has 2 divisors, whose sum is σ = 313296780. Its totient is φ = 313296778.

The previous prime is 313296761. The next prime is 313296803. The reversal of 313296779 is 977692313.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 313296779 - 2²⁴ = 296519563 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (313296079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156648389 + 156648390.

It is an arithmetic number, because the mean of its divisors is an integer number (156648390).

Almost surely, 2^313296779 is an apocalyptic number.

313296779 is a deficient number, since it is larger than the sum of its proper divisors (1).

313296779 is an equidigital number, since it uses as much as digits as its factorization.

313296779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 428652, while the sum is 47.

The square root of 313296779 is about 17700.1914961392. The cubic root of 313296779 is about 679.1806589228.

The spelling of 313296779 in words is "three hundred thirteen million, two hundred ninety-six thousand, seven hundred seventy-nine".