76655944227769 has 2 divisors, whose sum is σ = 76655944227770. Its totient is φ = 76655944227768.

The previous prime is 76655944227697. The next prime is 76655944227853. The reversal of 76655944227769 is 96772244955667.

Together with previous prime (76655944227697) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40749327590400 + 35906616637369 = 6383520^2 + 5992213^2 .

It is a cyclic number.

It is not a de Polignac number, because 76655944227769 - 2³¹ = 76653796744121 is a prime.

It is a super-2 number, since 2×76655944227769² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (76655144227769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38327972113884 + 38327972113885.

It is an arithmetic number, because the mean of its divisors is an integer number (38327972113885).

Almost surely, 2^{76655944227769} is an apocalyptic number.

It is an amenable number.

76655944227769 is a deficient number, since it is larger than the sum of its proper divisors (1).

76655944227769 is an equidigital number, since it uses as much as digits as its factorization.

76655944227769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9601804800, while the sum is 79.

The spelling of 76655944227769 in words is "seventy-six trillion, six hundred fifty-five billion, nine hundred forty-four million, two hundred twenty-seven thousand, seven hundred sixty-nine".