769768841 has 2 divisors, whose sum is σ = 769768842. Its totient is φ = 769768840.

The previous prime is 769768819. The next prime is 769768847. The reversal of 769768841 is 148867967.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 649230400 + 120538441 = 25480^2 + 10979^2 .

It is an emirp because it is prime and its reverse (148867967) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 769768841 - 2⁶ = 769768777 is a prime.

It is not a weakly prime, because it can be changed into another prime (769768847) 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, 384884420 + 384884421.

It is an arithmetic number, because the mean of its divisors is an integer number (384884421).

Almost surely, 2^769768841 is an apocalyptic number.

It is an amenable number.

769768841 is a deficient number, since it is larger than the sum of its proper divisors (1).

769768841 is an equidigital number, since it uses as much as digits as its factorization.

769768841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4064256, while the sum is 56.

The square root of 769768841 is about 27744.7083423128. The cubic root of 769768841 is about 916.4739166004.

The spelling of 769768841 in words is "seven hundred sixty-nine million, seven hundred sixty-eight thousand, eight hundred forty-one".