768617710457 has 2 divisors, whose sum is σ = 768617710458. Its totient is φ = 768617710456.

The previous prime is 768617710307. The next prime is 768617710493. The reversal of 768617710457 is 754017716867.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 604492255081 + 164125455376 = 777491^2 + 405124^2 .

It is a cyclic number.

It is not a de Polignac number, because 768617710457 - 2²⁰ = 768616661881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 768617710396 and 768617710405.

It is not a weakly prime, because it can be changed into another prime (768617710657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384308855228 + 384308855229.

It is an arithmetic number, because the mean of its divisors is an integer number (384308855229).

Almost surely, 2^768617710457 is an apocalyptic number.

It is an amenable number.

768617710457 is a deficient number, since it is larger than the sum of its proper divisors (1).

768617710457 is an equidigital number, since it uses as much as digits as its factorization.

768617710457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13829760, while the sum is 59.

The spelling of 768617710457 in words is "seven hundred sixty-eight billion, six hundred seventeen million, seven hundred ten thousand, four hundred fifty-seven".