2789180928 has 120 divisors (see below), whose sum is σ = 8400073968. Its totient is φ = 889270272.

The previous prime is 2789180917. The next prime is 2789180957. The reversal of 2789180928 is 8290819872.

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 11 ways as a sum of consecutive naturals, for example, 92826 + ... + 119142.

Almost surely, 2^2789180928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2789180928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4200036984).

2789180928 is an abundant number, since it is smaller than the sum of its proper divisors (5610893040).

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

2789180928 is a wasteful number, since it uses less digits than its factorization.

2789180928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26364 (or 26345 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 54.

The square root of 2789180928 is about 52812.6966552552. The cubic root of 2789180928 is about 1407.6420405455.

The spelling of 2789180928 in words is "two billion, seven hundred eighty-nine million, one hundred eighty thousand, nine hundred twenty-eight".