768444920 has 16 divisors (see below), whose sum is σ = 1729001160. Its totient is φ = 307377952.

The previous prime is 768444913. The next prime is 768444967. The reversal of 768444920 is 29444867.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9605522 + ... + 9605601.

Almost surely, 2^768444920 is an apocalyptic number.

It is an amenable number.

768444920 is an abundant number, since it is smaller than the sum of its proper divisors (960556240).

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

768444920 is a wasteful number, since it uses less digits than its factorization.

768444920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19211134 (or 19211130 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 44.

The square root of 768444920 is about 27720.8390926393. The cubic root of 768444920 is about 915.9482023557.

The spelling of 768444920 in words is "seven hundred sixty-eight million, four hundred forty-four thousand, nine hundred twenty".