768779874 has 12 divisors (see below), whose sum is σ = 1665689766. Its totient is φ = 256259952.

The previous prime is 768779839. The next prime is 768779911. The reversal of 768779874 is 478977867.

768779874 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 699972849 + 68807025 = 26457^2 + 8295^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21354979 + ... + 21355014.

Almost surely, 2^768779874 is an apocalyptic number.

768779874 is an abundant number, since it is smaller than the sum of its proper divisors (896909892).

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

768779874 is a wasteful number, since it uses less digits than its factorization.

768779874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42710001 (or 42709998 counting only the distinct ones).

The product of its digits is 33191424, while the sum is 63.

The square root of 768779874 is about 27726.8799903631. The cubic root of 768779874 is about 916.0812658715.

The spelling of 768779874 in words is "seven hundred sixty-eight million, seven hundred seventy-nine thousand, eight hundred seventy-four".