2798994888 has 48 divisors (see below), whose sum is σ = 7765512300. Its totient is φ = 910241280.

The previous prime is 2798994883. The next prime is 2798994889. The reversal of 2798994888 is 8884998972.

It can be written as a sum of positive squares in 2 ways, for example, as 2789741124 + 9253764 = 52818^2 + 3042^2 .

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (2798994883) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 471133 + ... + 477036.

Almost surely, 2^2798994888 is an apocalyptic number.

It is an amenable number.

2798994888 is an abundant number, since it is smaller than the sum of its proper divisors (4966517412).

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

2798994888 is a wasteful number, since it uses less digits than its factorization.

2798994888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948222 (or 948215 counting only the distinct ones).

The product of its digits is 167215104, while the sum is 72.

The square root of 2798994888 is about 52905.5279531355. The cubic root of 2798994888 is about 1409.2910756450.

The spelling of 2798994888 in words is "two billion, seven hundred ninety-eight million, nine hundred ninety-four thousand, eight hundred eighty-eight".