766475064227 has 2 divisors, whose sum is σ = 766475064228. Its totient is φ = 766475064226.

The previous prime is 766475064209. The next prime is 766475064317. The reversal of 766475064227 is 722460574667.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 766475064227 - 2⁶ = 766475064163 is a prime.

It is not a weakly prime, because it can be changed into another prime (766475064527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383237532113 + 383237532114.

It is an arithmetic number, because the mean of its divisors is an integer number (383237532114).

Almost surely, 2^766475064227 is an apocalyptic number.

766475064227 is a deficient number, since it is larger than the sum of its proper divisors (1).

766475064227 is an equidigital number, since it uses as much as digits as its factorization.

766475064227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23708160, while the sum is 56.

The spelling of 766475064227 in words is "seven hundred sixty-six billion, four hundred seventy-five million, sixty-four thousand, two hundred twenty-seven".