768796646 has 16 divisors (see below), whose sum is σ = 1160552448. Its totient is φ = 381952200.

The previous prime is 768796631. The next prime is 768796669. The reversal of 768796646 is 646697867.

It is a Curzon number.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 363131 + ... + 365241.

It is an arithmetic number, because the mean of its divisors is an integer number (72534528).

Almost surely, 2^768796646 is an apocalyptic number.

768796646 is a deficient number, since it is larger than the sum of its proper divisors (391755802).

768796646 is a wasteful number, since it uses less digits than its factorization.

768796646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3187.

The product of its digits is 18289152, while the sum is 59.

The square root of 768796646 is about 27727.1824388992. The cubic root of 768796646 is about 916.0879276845.

The spelling of 768796646 in words is "seven hundred sixty-eight million, seven hundred ninety-six thousand, six hundred forty-six".