312788856360791 has 2 divisors, whose sum is σ = 312788856360792. Its totient is φ = 312788856360790.

The previous prime is 312788856360751. The next prime is 312788856360881. The reversal of 312788856360791 is 197063658887213.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312788856360791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312788856360751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156394428180395 + 156394428180396.

It is an arithmetic number, because the mean of its divisors is an integer number (156394428180396).

Almost surely, 2^{312788856360791} is an apocalyptic number.

312788856360791 is a deficient number, since it is larger than the sum of its proper divisors (1).

312788856360791 is an equidigital number, since it uses as much as digits as its factorization.

312788856360791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 731566080, while the sum is 74.

The spelling of 312788856360791 in words is "three hundred twelve trillion, seven hundred eighty-eight billion, eight hundred fifty-six million, three hundred sixty thousand, seven hundred ninety-one".