764963317 has 2 divisors, whose sum is σ = 764963318. Its totient is φ = 764963316.

The previous prime is 764963299. The next prime is 764963323. The reversal of 764963317 is 713369467.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 759608721 + 5354596 = 27561^2 + 2314^2 .

It is an emirp because it is prime and its reverse (713369467) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 764963317 - 2¹⁹ = 764439029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (764966317) 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, 382481658 + 382481659.

It is an arithmetic number, because the mean of its divisors is an integer number (382481659).

Almost surely, 2^764963317 is an apocalyptic number.

It is an amenable number.

764963317 is a deficient number, since it is larger than the sum of its proper divisors (1).

764963317 is an equidigital number, since it uses as much as digits as its factorization.

764963317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 571536, while the sum is 46.

The square root of 764963317 is about 27657.9702255968. The cubic root of 764963317 is about 914.5628086494.

The spelling of 764963317 in words is "seven hundred sixty-four million, nine hundred sixty-three thousand, three hundred seventeen".