2788668873 has 24 divisors (see below), whose sum is σ = 4140763328. Its totient is φ = 1807196832.

The previous prime is 2788668871. The next prime is 2788668881. The reversal of 2788668873 is 3788668872.

It is not a de Polignac number, because 2788668873 - 2¹ = 2788668871 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 2788668873.

It is not an unprimeable number, because it can be changed into a prime (2788668871) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 430686 + ... + 437112.

Almost surely, 2^2788668873 is an apocalyptic number.

It is an amenable number.

2788668873 is a deficient number, since it is larger than the sum of its proper divisors (1352094455).

2788668873 is a wasteful number, since it uses less digits than its factorization.

2788668873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7773 (or 7770 counting only the distinct ones).

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

The square root of 2788668873 is about 52807.8485927992. The cubic root of 2788668873 is about 1407.5558940772. Note that the first 3 decimals are identical.

Subtracting 2788668873 from its reverse (3788668872), we obtain a palindrome (999999999).

The spelling of 2788668873 in words is "two billion, seven hundred eighty-eight million, six hundred sixty-eight thousand, eight hundred seventy-three".