772163317 has 2 divisors, whose sum is σ = 772163318. Its totient is φ = 772163316.

The previous prime is 772163311. The next prime is 772163321. The reversal of 772163317 is 713361277.

772163317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 768453841 + 3709476 = 27721^2 + 1926^2 .

It is a cyclic number.

It is not a de Polignac number, because 772163317 - 2²³ = 763774709 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (772163311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 386081658 + 386081659.

It is an arithmetic number, because the mean of its divisors is an integer number (386081659).

Almost surely, 2^772163317 is an apocalyptic number.

It is an amenable number.

772163317 is a deficient number, since it is larger than the sum of its proper divisors (1).

772163317 is an equidigital number, since it uses as much as digits as its factorization.

772163317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37044, while the sum is 37.

The square root of 772163317 is about 27787.8267772059. The cubic root of 772163317 is about 917.4232073468.

The spelling of 772163317 in words is "seven hundred seventy-two million, one hundred sixty-three thousand, three hundred seventeen".