2768417686 has 16 divisors (see below), whose sum is σ = 4402641600. Its totient is φ = 1301919048.

The previous prime is 2768417681. The next prime is 2768417761. The reversal of 2768417686 is 6867148672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2768417681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256780 + ... + 267343.

It is an arithmetic number, because the mean of its divisors is an integer number (275165100).

Almost surely, 2^2768417686 is an apocalyptic number.

2768417686 is a deficient number, since it is larger than the sum of its proper divisors (1634223914).

2768417686 is a wasteful number, since it uses less digits than its factorization.

2768417686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524283.

The product of its digits is 5419008, while the sum is 55.

The square root of 2768417686 is about 52615.7551119434. The cubic root of 2768417686 is about 1404.1404106158.

The spelling of 2768417686 in words is "two billion, seven hundred sixty-eight million, four hundred seventeen thousand, six hundred eighty-six".