2789928576 has 128 divisors (see below), whose sum is σ = 8500108800. Its totient is φ = 899942400.

The previous prime is 2789928571. The next prime is 2789928587. The reversal of 2789928576 is 6758299872.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (2789928571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94116 + ... + 120156.

It is an arithmetic number, because the mean of its divisors is an integer number (66407100).

Almost surely, 2^2789928576 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 2789928576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4250054400).

2789928576 is an abundant number, since it is smaller than the sum of its proper divisors (5710180224).

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

2789928576 is a wasteful number, since it uses less digits than its factorization.

2789928576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26095 (or 26077 counting only the distinct ones).

The product of its digits is 30481920, while the sum is 63.

The square root of 2789928576 is about 52819.7744788824. The cubic root of 2789928576 is about 1407.7678034800.

The spelling of 2789928576 in words is "two billion, seven hundred eighty-nine million, nine hundred twenty-eight thousand, five hundred seventy-six".