2788700880 has 160 divisors (see below), whose sum is σ = 9909080064. Its totient is φ = 635539968.

The previous prime is 2788700879. The next prime is 2788700899. The reversal of 2788700880 is 880078872.

It is a super-2 number, since 2×2788700880² = 15553705196225548800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 614299 + ... + 618821.

Almost surely, 2^2788700880 is an apocalyptic number.

2788700880 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 2788700880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4954540032).

2788700880 is an abundant number, since it is smaller than the sum of its proper divisors (7120379184).

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

2788700880 is a wasteful number, since it uses less digits than its factorization.

2788700880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4913 (or 4907 counting only the distinct ones).

The product of its (nonzero) digits is 401408, while the sum is 48.

The square root of 2788700880 is about 52808.1516434726. The cubic root of 2788700880 is about 1407.5612791398.

The spelling of 2788700880 in words is "two billion, seven hundred eighty-eight million, seven hundred thousand, eight hundred eighty".