768203617868 has 6 divisors (see below), whose sum is σ = 1344356331276. Its totient is φ = 384101808932.

The previous prime is 768203617849. The next prime is 768203617903. The reversal of 768203617868 is 868716302867.

It is a self number, because there is not a number n which added to its sum of digits gives 768203617868.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96025452230 + ... + 96025452237.

It is an arithmetic number, because the mean of its divisors is an integer number (224059388546).

Almost surely, 2^768203617868 is an apocalyptic number.

It is an amenable number.

768203617868 is a deficient number, since it is larger than the sum of its proper divisors (576152713408).

768203617868 is a wasteful number, since it uses less digits than its factorization.

768203617868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192050904471 (or 192050904469 counting only the distinct ones).

The product of its (nonzero) digits is 32514048, while the sum is 62.

The spelling of 768203617868 in words is "seven hundred sixty-eight billion, two hundred three million, six hundred seventeen thousand, eight hundred sixty-eight".