2789838768 has 80 divisors (see below), whose sum is σ = 7411525632. Its totient is φ = 903744000.

The previous prime is 2789838731. The next prime is 2789838823. The reversal of 2789838768 is 8678389872.

It is a junction number, because it is equal to n+sod(n) for n = 2789838699 and 2789838708.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 530713 + ... + 535943.

Almost surely, 2^2789838768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2789838768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3705762816).

2789838768 is an abundant number, since it is smaller than the sum of its proper divisors (4621686864).

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

2789838768 is a wasteful number, since it uses less digits than its factorization.

2789838768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5554 (or 5548 counting only the distinct ones).

The product of its digits is 65028096, while the sum is 66.

The square root of 2789838768 is about 52818.9243358855. The cubic root of 2789838768 is about 1407.7526979359.

It can be divided in two parts, 27898 and 38768, that added together give a palindrome (66666).

The spelling of 2789838768 in words is "two billion, seven hundred eighty-nine million, eight hundred thirty-eight thousand, seven hundred sixty-eight".