768223399 has 2 divisors, whose sum is σ = 768223400. Its totient is φ = 768223398.

The previous prime is 768223397. The next prime is 768223403. The reversal of 768223399 is 993322867.

768223399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 768223399 - 2¹ = 768223397 is a prime.

It is a super-2 number, since 2×768223399² = 1180334381542226402, which contains 22 as substring.

Together with 768223397, 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 (768223397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384111699 + 384111700.

It is an arithmetic number, because the mean of its divisors is an integer number (384111700).

Almost surely, 2^768223399 is an apocalyptic number.

768223399 is a deficient number, since it is larger than the sum of its proper divisors (1).

768223399 is an equidigital number, since it uses as much as digits as its factorization.

768223399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 49.

The square root of 768223399 is about 27716.8432365592. The cubic root of 768223399 is about 915.8601798848.

The spelling of 768223399 in words is "seven hundred sixty-eight million, two hundred twenty-three thousand, three hundred ninety-nine".