765680633 has 2 divisors, whose sum is σ = 765680634. Its totient is φ = 765680632.

The previous prime is 765680581. The next prime is 765680653. The reversal of 765680633 is 336086567.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 765518224 + 162409 = 27668^2 + 403^2 .

It is a cyclic number.

It is not a de Polignac number, because 765680633 - 2²² = 761486329 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (765680653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 382840316 + 382840317.

It is an arithmetic number, because the mean of its divisors is an integer number (382840317).

Almost surely, 2^765680633 is an apocalyptic number.

It is an amenable number.

765680633 is a deficient number, since it is larger than the sum of its proper divisors (1).

765680633 is an equidigital number, since it uses as much as digits as its factorization.

765680633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 44.

The square root of 765680633 is about 27670.9348053151. The cubic root of 765680633 is about 914.8485851356.

The spelling of 765680633 in words is "seven hundred sixty-five million, six hundred eighty thousand, six hundred thirty-three".