765774850097 has 2 divisors, whose sum is σ = 765774850098. Its totient is φ = 765774850096.

The previous prime is 765774849947. The next prime is 765774850103. The reversal of 765774850097 is 790058477567.

765774850097 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., 754910748736 + 10864101361 = 868856^2 + 104231^2 .

It is a cyclic number.

It is not a de Polignac number, because 765774850097 - 2²⁶ = 765707741233 is a prime.

It is a super-2 number, since 2×765774850097² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (765774870097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 382887425048 + 382887425049.

It is an arithmetic number, because the mean of its divisors is an integer number (382887425049).

Almost surely, 2^765774850097 is an apocalyptic number.

It is an amenable number.

765774850097 is a deficient number, since it is larger than the sum of its proper divisors (1).

765774850097 is an equidigital number, since it uses as much as digits as its factorization.

765774850097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103723200, while the sum is 65.

The spelling of 765774850097 in words is "seven hundred sixty-five billion, seven hundred seventy-four million, eight hundred fifty thousand, ninety-seven".