2788789500 has 336 divisors, whose sum is σ = 10446002112. Its totient is φ = 636854400.

The previous prime is 2788789447. The next prime is 2788789511. The reversal of 2788789500 is 59878872.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 2550954 + ... + 2552046.

It is an arithmetic number, because the mean of its divisors is an integer number (31089292).

Almost surely, 2^2788789500 is an apocalyptic number.

2788789500 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 2788789500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5223001056).

2788789500 is an abundant number, since it is smaller than the sum of its proper divisors (7657212612).

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

2788789500 is a wasteful number, since it uses less digits than its factorization.

2788789500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137 (or 1110 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 54.

The square root of 2788789500 is about 52808.9907118097. The cubic root of 2788789500 is about 1407.5761889209.

The spelling of 2788789500 in words is "two billion, seven hundred eighty-eight million, seven hundred eighty-nine thousand, five hundred".