2768392688 has 20 divisors (see below), whose sum is σ = 5508728520. Its totient is φ = 1346785344.

The previous prime is 2768392661. The next prime is 2768392741. The reversal of 2768392688 is 8862938672.

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, 2337578 + ... + 2338761.

It is an arithmetic number, because the mean of its divisors is an integer number (275436426).

Almost surely, 2^2768392688 is an apocalyptic number.

It is an amenable number.

2768392688 is a deficient number, since it is larger than the sum of its proper divisors (2740335832).

2768392688 is a wasteful number, since it uses less digits than its factorization.

2768392688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4676384 (or 4676378 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 59.

The square root of 2768392688 is about 52615.5175589863. The cubic root of 2768392688 is about 1404.1361842776.

The spelling of 2768392688 in words is "two billion, seven hundred sixty-eight million, three hundred ninety-two thousand, six hundred eighty-eight".