768343903 has 2 divisors, whose sum is σ = 768343904. Its totient is φ = 768343902.

The previous prime is 768343871. The next prime is 768343963. The reversal of 768343903 is 309343867.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 768343903 - 2⁵ = 768343871 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 768343903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (768343963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384171951 + 384171952.

It is an arithmetic number, because the mean of its divisors is an integer number (384171952).

Almost surely, 2^768343903 is an apocalyptic number.

768343903 is a deficient number, since it is larger than the sum of its proper divisors (1).

768343903 is an equidigital number, since it uses as much as digits as its factorization.

768343903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 43.

The square root of 768343903 is about 27719.0169919498. The cubic root of 768343903 is about 915.9080648469.

The spelling of 768343903 in words is "seven hundred sixty-eight million, three hundred forty-three thousand, nine hundred three".