2768888673 has 12 divisors (see below), whose sum is σ = 4107601108. Its totient is φ = 1796035680.

The previous prime is 2768888663. The next prime is 2768888729. The reversal of 2768888673 is 3768888672.

It can be written as a sum of positive squares in 2 ways, for example, as 2241359649 + 527529024 = 47343^2 + 22968^2 .

It is not a de Polignac number, because 2768888673 - 2⁴ = 2768888657 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2768888673.

It is not an unprimeable number, because it can be changed into a prime (2768888663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4157158 + ... + 4157823.

Almost surely, 2^2768888673 is an apocalyptic number.

It is an amenable number.

2768888673 is a deficient number, since it is larger than the sum of its proper divisors (1338712435).

2768888673 is a wasteful number, since it uses less digits than its factorization.

2768888673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8315024 (or 8315021 counting only the distinct ones).

The product of its digits is 43352064, while the sum is 63.

The square root of 2768888673 is about 52620.2306437363. The cubic root of 2768888673 is about 1404.2200342437.

Subtracting 2768888673 from its reverse (3768888672), we obtain a palindrome (999999999).

The spelling of 2768888673 in words is "two billion, seven hundred sixty-eight million, eight hundred eighty-eight thousand, six hundred seventy-three".