812272763 has 2 divisors, whose sum is σ = 812272764. Its totient is φ = 812272762.

The previous prime is 812272759. The next prime is 812272793. The reversal of 812272763 is 367272218.

812272763 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 812272763 - 2² = 812272759 is a prime.

It is equal to p_41744873 and since 812272763 and 41744873 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (812272793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 406136381 + 406136382.

It is an arithmetic number, because the mean of its divisors is an integer number (406136382).

Almost surely, 2^812272763 is an apocalyptic number.

812272763 is a deficient number, since it is larger than the sum of its proper divisors (1).

812272763 is an equidigital number, since it uses as much as digits as its factorization.

812272763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56448, while the sum is 38.

The square root of 812272763 is about 28500.3993480793. The cubic root of 812272763 is about 933.0407898484.

The spelling of 812272763 in words is "eight hundred twelve million, two hundred seventy-two thousand, seven hundred sixty-three".