768953239 has 2 divisors, whose sum is σ = 768953240. Its totient is φ = 768953238.

The previous prime is 768953221. The next prime is 768953243. The reversal of 768953239 is 932359867.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 768953239 - 2⁷ = 768953111 is a prime.

It is a super-2 number, since 2×768953239² = 1182578167537182242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (768953209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384476619 + 384476620.

It is an arithmetic number, because the mean of its divisors is an integer number (384476620).

Almost surely, 2^768953239 is an apocalyptic number.

768953239 is a deficient number, since it is larger than the sum of its proper divisors (1).

768953239 is an equidigital number, since it uses as much as digits as its factorization.

768953239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2449440, while the sum is 52.

The square root of 768953239 is about 27730.0061125128. The cubic root of 768953239 is about 916.1501215121.

The spelling of 768953239 in words is "seven hundred sixty-eight million, nine hundred fifty-three thousand, two hundred thirty-nine".