812775733327 has 2 divisors, whose sum is σ = 812775733328. Its totient is φ = 812775733326.

The previous prime is 812775733313. The next prime is 812775733331. The reversal of 812775733327 is 723337577218.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-812775733327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (812775743327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 406387866663 + 406387866664.

It is an arithmetic number, because the mean of its divisors is an integer number (406387866664).

Almost surely, 2^812775733327 is an apocalyptic number.

812775733327 is a deficient number, since it is larger than the sum of its proper divisors (1).

812775733327 is an equidigital number, since it uses as much as digits as its factorization.

812775733327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10372320, while the sum is 55.

The spelling of 812775733327 in words is "eight hundred twelve billion, seven hundred seventy-five million, seven hundred thirty-three thousand, three hundred twenty-seven".