2788564116 has 24 divisors (see below), whose sum is σ = 7007161504. Its totient is φ = 858019680.

The previous prime is 2788564087. The next prime is 2788564139. The reversal of 2788564116 is 6114658872.

It is a super-3 number, since 3×2788564116³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 8937550 + ... + 8937861.

Almost surely, 2^2788564116 is an apocalyptic number.

2788564116 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2788564116 is an abundant number, since it is smaller than the sum of its proper divisors (4218597388).

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

2788564116 is a wasteful number, since it uses less digits than its factorization.

2788564116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17875431 (or 17875429 counting only the distinct ones).

The product of its digits is 645120, while the sum is 48.

The square root of 2788564116 is about 52806.8567138776. The cubic root of 2788564116 is about 1407.5382688008.

The spelling of 2788564116 in words is "two billion, seven hundred eighty-eight million, five hundred sixty-four thousand, one hundred sixteen".