314722761257 has 4 divisors (see below), whose sum is σ = 314729413380. Its totient is φ = 314716109136.

The previous prime is 314722761239. The next prime is 314722761373. The reversal of 314722761257 is 752167227413.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 200543648041 + 114179113216 = 447821^2 + 337904^2 .

It is a cyclic number.

It is not a de Polignac number, because 314722761257 - 2²⁶ = 314655652393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (314722701257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3254582 + ... + 3349887.

It is an arithmetic number, because the mean of its divisors is an integer number (78682353345).

Almost surely, 2^314722761257 is an apocalyptic number.

It is an amenable number.

314722761257 is a deficient number, since it is larger than the sum of its proper divisors (6652123).

314722761257 is an equidigital number, since it uses as much as digits as its factorization.

314722761257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6652122.

The product of its digits is 987840, while the sum is 47.

The spelling of 314722761257 in words is "three hundred fourteen billion, seven hundred twenty-two million, seven hundred sixty-one thousand, two hundred fifty-seven".