768771319 has 2 divisors, whose sum is σ = 768771320. Its totient is φ = 768771318.

The previous prime is 768771317. The next prime is 768771323. The reversal of 768771319 is 913177867.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 768771319 - 2¹ = 768771317 is a prime.

It is a super-2 number, since 2×768771319² = 1182018681833999522, which contains 22 as substring.

Together with 768771317, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (768771313) 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, 384385659 + 384385660.

It is an arithmetic number, because the mean of its divisors is an integer number (384385660).

Almost surely, 2^768771319 is an apocalyptic number.

768771319 is a deficient number, since it is larger than the sum of its proper divisors (1).

768771319 is an equidigital number, since it uses as much as digits as its factorization.

768771319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 444528, while the sum is 49.

The square root of 768771319 is about 27726.7257172570. The cubic root of 768771319 is about 916.0778678012.

The spelling of 768771319 in words is "seven hundred sixty-eight million, seven hundred seventy-one thousand, three hundred nineteen".