812676385307 has 2 divisors, whose sum is σ = 812676385308. Its totient is φ = 812676385306.

The previous prime is 812676385271. The next prime is 812676385319. The reversal of 812676385307 is 703583676218.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 812676385307 - 2¹⁴ = 812676368923 is a prime.

It is not a weakly prime, because it can be changed into another prime (812676385337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 406338192653 + 406338192654.

It is an arithmetic number, because the mean of its divisors is an integer number (406338192654).

Almost surely, 2^812676385307 is an apocalyptic number.

812676385307 is a deficient number, since it is larger than the sum of its proper divisors (1).

812676385307 is an equidigital number, since it uses as much as digits as its factorization.

812676385307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10160640, while the sum is 56.

The spelling of 812676385307 in words is "eight hundred twelve billion, six hundred seventy-six million, three hundred eighty-five thousand, three hundred seven".