768906828 has 36 divisors (see below), whose sum is σ = 1980302688. Its totient is φ = 251465760.

The previous prime is 768906823. The next prime is 768906863. The reversal of 768906828 is 828609867.

768906828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (768906823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 199588 + ... + 203403.

It is an arithmetic number, because the mean of its divisors is an integer number (55008408).

Almost surely, 2^768906828 is an apocalyptic number.

It is an amenable number.

768906828 is an abundant number, since it is smaller than the sum of its proper divisors (1211395860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

768906828 is a wasteful number, since it uses less digits than its factorization.

768906828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403054 (or 403049 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The square root of 768906828 is about 27729.1692627096. The cubic root of 768906828 is about 916.1316893992.

The spelling of 768906828 in words is "seven hundred sixty-eight million, nine hundred six thousand, eight hundred twenty-eight".