769277129 has 2 divisors, whose sum is σ = 769277130. Its totient is φ = 769277128.

The previous prime is 769277083. The next prime is 769277143. The reversal of 769277129 is 921772967.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 764633104 + 4644025 = 27652^2 + 2155^2 .

It is a cyclic number.

It is not a de Polignac number, because 769277129 - 2¹⁶ = 769211593 is a prime.

It is not a weakly prime, because it can be changed into another prime (769277429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384638564 + 384638565.

It is an arithmetic number, because the mean of its divisors is an integer number (384638565).

Almost surely, 2^769277129 is an apocalyptic number.

It is an amenable number.

769277129 is a deficient number, since it is larger than the sum of its proper divisors (1).

769277129 is an equidigital number, since it uses as much as digits as its factorization.

769277129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 666792, while the sum is 50.

The square root of 769277129 is about 27735.8455612949. The cubic root of 769277129 is about 916.2787336719.

The spelling of 769277129 in words is "seven hundred sixty-nine million, two hundred seventy-seven thousand, one hundred twenty-nine".