2800785256 has 48 divisors (see below), whose sum is σ = 5526894240. Its totient is φ = 1328088960.

The previous prime is 2800785217. The next prime is 2800785301. The reversal of 2800785256 is 6525870082.

2800785256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3453091 + ... + 3453901.

It is an arithmetic number, because the mean of its divisors is an integer number (115143630).

Almost surely, 2^2800785256 is an apocalyptic number.

It is an amenable number.

2800785256 is a deficient number, since it is larger than the sum of its proper divisors (2726108984).

2800785256 is a wasteful number, since it uses less digits than its factorization.

2800785256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114 (or 973 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 43.

The square root of 2800785256 is about 52922.4456728901. The cubic root of 2800785256 is about 1409.5914944217.

The spelling of 2800785256 in words is "two billion, eight hundred million, seven hundred eighty-five thousand, two hundred fifty-six".