2788104980 has 18 divisors (see below), whose sum is σ = 5855516394. Its totient is φ = 1115147536.

The previous prime is 2788104971. The next prime is 2788104989. The reversal of 2788104980 is 894018872.

It is an interprime number because it is at equal distance from previous prime (2788104971) and next prime (2788104989).

It can be written as a sum of positive squares in only one way, i.e., 2230483984 + 557620996 = 47228^2 + 23614^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2788104989) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 230237 + ... + 242043.

Almost surely, 2^2788104980 is an apocalyptic number.

2788104980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2788104980 is an abundant number, since it is smaller than the sum of its proper divisors (3067411414).

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

2788104980 is an frugal number, since it uses more digits than its factorization.

2788104980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23623 (or 11814 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 47.

The square root of 2788104980 is about 52802.5092206800. The cubic root of 2788104980 is about 1407.4610143507.

The spelling of 2788104980 in words is "two billion, seven hundred eighty-eight million, one hundred four thousand, nine hundred eighty".