313396777 has 4 divisors (see below), whose sum is σ = 313522560. Its totient is φ = 313270996.

The previous prime is 313396753. The next prime is 313396789. The reversal of 313396777 is 777693313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313396777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313396177) 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 in 3 ways as a sum of consecutive naturals, for example, 59077 + ... + 64162.

It is an arithmetic number, because the mean of its divisors is an integer number (78380640).

Almost surely, 2^313396777 is an apocalyptic number.

It is an amenable number.

313396777 is a deficient number, since it is larger than the sum of its proper divisors (125783).

313396777 is a wasteful number, since it uses less digits than its factorization.

313396777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125782.

The product of its digits is 500094, while the sum is 46.

The square root of 313396777 is about 17703.0160424714. The cubic root of 313396777 is about 679.2529114827.

The spelling of 313396777 in words is "three hundred thirteen million, three hundred ninety-six thousand, seven hundred seventy-seven".