76755769 has 2 divisors, whose sum is σ = 76755770. Its totient is φ = 76755768.

The previous prime is 76755743. The next prime is 76755773. The reversal of 76755769 is 96755767.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50623225 + 26132544 = 7115^2 + 5112^2 .

It is an emirp because it is prime and its reverse (96755767) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76755769 - 2²³ = 68367161 is a prime.

It is a super-2 number, since 2×76755769² = 11782896149562722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (76755719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38377884 + 38377885.

It is an arithmetic number, because the mean of its divisors is an integer number (38377885).

Almost surely, 2^76755769 is an apocalyptic number.

It is an amenable number.

76755769 is a deficient number, since it is larger than the sum of its proper divisors (1).

76755769 is an equidigital number, since it uses as much as digits as its factorization.

76755769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2778300, while the sum is 52.

The square root of 76755769 is about 8761.0369820016. The cubic root of 76755769 is about 424.9818105249.

The spelling of 76755769 in words is "seventy-six million, seven hundred fifty-five thousand, seven hundred sixty-nine".