2768191728 has 20 divisors (see below), whose sum is σ = 7151162088. Its totient is φ = 922730560.

The previous prime is 2768191709. The next prime is 2768191733. The reversal of 2768191728 is 8271918672.

2768191728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28835283 + ... + 28835378.

Almost surely, 2^2768191728 is an apocalyptic number.

It is an amenable number.

2768191728 is an abundant number, since it is smaller than the sum of its proper divisors (4382970360).

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

2768191728 is a wasteful number, since it uses less digits than its factorization.

2768191728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57670672 (or 57670666 counting only the distinct ones).

The product of its digits is 677376, while the sum is 51.

The square root of 2768191728 is about 52613.6078215513. The cubic root of 2768191728 is about 1404.1022076388.

The spelling of 2768191728 in words is "two billion, seven hundred sixty-eight million, one hundred ninety-one thousand, seven hundred twenty-eight".