766475441867 has 2 divisors, whose sum is σ = 766475441868. Its totient is φ = 766475441866.

The previous prime is 766475441833. The next prime is 766475441881. The reversal of 766475441867 is 768144574667.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-766475441867 is a prime.

It is not a weakly prime, because it can be changed into another prime (766475441827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383237720933 + 383237720934.

It is an arithmetic number, because the mean of its divisors is an integer number (383237720934).

Almost surely, 2^766475441867 is an apocalyptic number.

766475441867 is a deficient number, since it is larger than the sum of its proper divisors (1).

766475441867 is an equidigital number, since it uses as much as digits as its factorization.

766475441867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 189665280, while the sum is 65.

The spelling of 766475441867 in words is "seven hundred sixty-six billion, four hundred seventy-five million, four hundred forty-one thousand, eight hundred sixty-seven".