812314799 has 2 divisors, whose sum is σ = 812314800. Its totient is φ = 812314798.

The previous prime is 812314777. The next prime is 812314807. The reversal of 812314799 is 997413218.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 812314799 - 2¹² = 812310703 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (812314739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 406157399 + 406157400.

It is an arithmetic number, because the mean of its divisors is an integer number (406157400).

Almost surely, 2^812314799 is an apocalyptic number.

812314799 is a deficient number, since it is larger than the sum of its proper divisors (1).

812314799 is an equidigital number, since it uses as much as digits as its factorization.

812314799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 44.

The square root of 812314799 is about 28501.1368018891. The cubic root of 812314799 is about 933.0568848630.

It can be divided in two parts, 8123 and 14799, that added together give a palindrome (22922).

The spelling of 812314799 in words is "eight hundred twelve million, three hundred fourteen thousand, seven hundred ninety-nine".