768945828 has 36 divisors (see below), whose sum is σ = 2087140272. Its totient is φ = 219698640.

The previous prime is 768945811. The next prime is 768945839. The reversal of 768945828 is 828549867.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 653278 + ... + 654453.

Almost surely, 2^768945828 is an apocalyptic number.

It is an amenable number.

768945828 is an abundant number, since it is smaller than the sum of its proper divisors (1318194444).

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

768945828 is a wasteful number, since it uses less digits than its factorization.

768945828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307752 (or 1307743 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 57.

The square root of 768945828 is about 27729.8724843805. The cubic root of 768945828 is about 916.1471782857.

The spelling of 768945828 in words is "seven hundred sixty-eight million, nine hundred forty-five thousand, eight hundred twenty-eight".