768255331 has 2 divisors, whose sum is σ = 768255332. Its totient is φ = 768255330.

The previous prime is 768255317. The next prime is 768255337. The reversal of 768255331 is 133552867.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 768255331 - 2⁷ = 768255203 is a prime.

It is a super-2 number, since 2×768255331² = 1180432507219839122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (768255337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384127665 + 384127666.

It is an arithmetic number, because the mean of its divisors is an integer number (384127666).

Almost surely, 2^768255331 is an apocalyptic number.

768255331 is a deficient number, since it is larger than the sum of its proper divisors (1).

768255331 is an equidigital number, since it uses as much as digits as its factorization.

768255331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 40.

The square root of 768255331 is about 27717.4192701990. The cubic root of 768255331 is about 915.8728692675.

The spelling of 768255331 in words is "seven hundred sixty-eight million, two hundred fifty-five thousand, three hundred thirty-one".