2788939000 has 32 divisors (see below), whose sum is σ = 6526119600. Its totient is φ = 1115575200.

The previous prime is 2788938989. The next prime is 2788939009. The reversal of 2788939000 is 9398872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2788939009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1393470 + ... + 1395469.

Almost surely, 2^2788939000 is an apocalyptic number.

2788939000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2788939000 is an abundant number, since it is smaller than the sum of its proper divisors (3737180600).

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

2788939000 is a wasteful number, since it uses less digits than its factorization.

2788939000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2788960 (or 2788946 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 2788939000 is about 52810.4061715113. The cubic root of 2788939000 is about 1407.6013406794.

The spelling of 2788939000 in words is "two billion, seven hundred eighty-eight million, nine hundred thirty-nine thousand".