2788831300 has 72 divisors (see below), whose sum is σ = 6614576640. Its totient is φ = 1016025600.

The previous prime is 2788831261. The next prime is 2788831333. The reversal of 2788831300 is 31388872.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26241 + ... + 79159.

It is an arithmetic number, because the mean of its divisors is an integer number (91869120).

Almost surely, 2^2788831300 is an apocalyptic number.

2788831300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2788831300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3307288320).

2788831300 is an abundant number, since it is smaller than the sum of its proper divisors (3825745340).

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

2788831300 is a wasteful number, since it uses less digits than its factorization.

2788831300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52981 (or 52974 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 2788831300 is about 52809.3864762695. The cubic root of 2788831300 is about 1407.5832214095.

The spelling of 2788831300 in words is "two billion, seven hundred eighty-eight million, eight hundred thirty-one thousand, three hundred".