2788870872 has 32 divisors (see below), whose sum is σ = 6981811200. Its totient is φ = 928339104.

The previous prime is 2788870837. The next prime is 2788870897. The reversal of 2788870872 is 2780788872.

2788870872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62472 + ... + 97367.

It is an arithmetic number, because the mean of its divisors is an integer number (218181600).

Almost surely, 2^2788870872 is an apocalyptic number.

It is an amenable number.

2788870872 is an abundant number, since it is smaller than the sum of its proper divisors (4192940328).

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

2788870872 is a wasteful number, since it uses less digits than its factorization.

2788870872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160575 (or 160571 counting only the distinct ones).

The product of its (nonzero) digits is 5619712, while the sum is 57.

The square root of 2788870872 is about 52809.7611431826. The cubic root of 2788870872 is about 1407.5898789916.

The spelling of 2788870872 in words is "two billion, seven hundred eighty-eight million, eight hundred seventy thousand, eight hundred seventy-two".