313768857607 has 2 divisors, whose sum is σ = 313768857608. Its totient is φ = 313768857606.

The previous prime is 313768857587. The next prime is 313768857613. The reversal of 313768857607 is 706758867313.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313768857607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313768857007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156884428803 + 156884428804.

It is an arithmetic number, because the mean of its divisors is an integer number (156884428804).

Almost surely, 2^313768857607 is an apocalyptic number.

313768857607 is a deficient number, since it is larger than the sum of its proper divisors (1).

313768857607 is an equidigital number, since it uses as much as digits as its factorization.

313768857607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35562240, while the sum is 61.

The spelling of 313768857607 in words is "three hundred thirteen billion, seven hundred sixty-eight million, eight hundred fifty-seven thousand, six hundred seven".