768404807 has 2 divisors, whose sum is σ = 768404808. Its totient is φ = 768404806.

The previous prime is 768404801. The next prime is 768404809. The reversal of 768404807 is 708404867.

It is a strong prime.

It is an emirp because it is prime and its reverse (708404867) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 768404807 - 2²⁰ = 767356231 is a prime.

Together with 768404809, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (768404801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384202403 + 384202404.

It is an arithmetic number, because the mean of its divisors is an integer number (384202404).

Almost surely, 2^768404807 is an apocalyptic number.

768404807 is a deficient number, since it is larger than the sum of its proper divisors (1).

768404807 is an equidigital number, since it uses as much as digits as its factorization.

768404807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 301056, while the sum is 44.

The square root of 768404807 is about 27720.1155661372. The cubic root of 768404807 is about 915.9322645100.

The spelling of 768404807 in words is "seven hundred sixty-eight million, four hundred four thousand, eight hundred seven".