313714777 has 2 divisors, whose sum is σ = 313714778. Its totient is φ = 313714776.

The previous prime is 313714763. The next prime is 313714789. The reversal of 313714777 is 777417313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 313325401 + 389376 = 17701^2 + 624^2 .

It is an emirp because it is prime and its reverse (777417313) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313714777 is a prime.

It is a super-2 number, since 2×313714777² = 196833922616319458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (313714747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156857388 + 156857389.

It is an arithmetic number, because the mean of its divisors is an integer number (156857389).

Almost surely, 2^313714777 is an apocalyptic number.

It is an amenable number.

313714777 is a deficient number, since it is larger than the sum of its proper divisors (1).

313714777 is an equidigital number, since it uses as much as digits as its factorization.

313714777 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86436, while the sum is 40.

The square root of 313714777 is about 17711.9952856814. The cubic root of 313714777 is about 679.4825771169.

The spelling of 313714777 in words is "three hundred thirteen million, seven hundred fourteen thousand, seven hundred seventy-seven".