765764713697 has 2 divisors, whose sum is σ = 765764713698. Its totient is φ = 765764713696.

The previous prime is 765764713687. The next prime is 765764713751. The reversal of 765764713697 is 796317467567.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 577127376721 + 188637336976 = 759689^2 + 434324^2 .

It is an emirp because it is prime and its reverse (796317467567) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 765764713697 - 2¹⁶ = 765764648161 is a prime.

It is not a weakly prime, because it can be changed into another prime (765764713657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 382882356848 + 382882356849.

It is an arithmetic number, because the mean of its divisors is an integer number (382882356849).

Almost surely, 2^765764713697 is an apocalyptic number.

It is an amenable number.

765764713697 is a deficient number, since it is larger than the sum of its proper divisors (1).

765764713697 is an equidigital number, since it uses as much as digits as its factorization.

765764713697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 280052640, while the sum is 68.

The spelling of 765764713697 in words is "seven hundred sixty-five billion, seven hundred sixty-four million, seven hundred thirteen thousand, six hundred ninety-seven".