812255580967 has 2 divisors, whose sum is σ = 812255580968. Its totient is φ = 812255580966.

The previous prime is 812255580959. The next prime is 812255580979. The reversal of 812255580967 is 769085552218.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 812255580967 - 2³ = 812255580959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (812255587967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 406127790483 + 406127790484.

It is an arithmetic number, because the mean of its divisors is an integer number (406127790484).

Almost surely, 2^812255580967 is an apocalyptic number.

812255580967 is a deficient number, since it is larger than the sum of its proper divisors (1).

812255580967 is an equidigital number, since it uses as much as digits as its factorization.

812255580967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096000, while the sum is 58.

The spelling of 812255580967 in words is "eight hundred twelve billion, two hundred fifty-five million, five hundred eighty thousand, nine hundred sixty-seven".