313776877 has 2 divisors, whose sum is σ = 313776878. Its totient is φ = 313776876.

The previous prime is 313776829. The next prime is 313776889. The reversal of 313776877 is 778677313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 311910921 + 1865956 = 17661^2 + 1366^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313776877 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 313776877.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313776817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156888438 + 156888439.

It is an arithmetic number, because the mean of its divisors is an integer number (156888439).

Almost surely, 2^313776877 is an apocalyptic number.

It is an amenable number.

313776877 is a deficient number, since it is larger than the sum of its proper divisors (1).

313776877 is an equidigital number, since it uses as much as digits as its factorization.

313776877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1037232, while the sum is 49.

The square root of 313776877 is about 17713.7482481828. The cubic root of 313776877 is about 679.5274087997.

The spelling of 313776877 in words is "three hundred thirteen million, seven hundred seventy-six thousand, eight hundred seventy-seven".