2800785255 has 32 divisors (see below), whose sum is σ = 4573843200. Its totient is φ = 1463142912.

The previous prime is 2800785217. The next prime is 2800785301. The reversal of 2800785255 is 5525870082.

It is not a de Polignac number, because 2800785255 - 2⁶ = 2800785191 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 172111 + ... + 187679.

It is an arithmetic number, because the mean of its divisors is an integer number (142932600).

Almost surely, 2^2800785255 is an apocalyptic number.

2800785255 is a deficient number, since it is larger than the sum of its proper divisors (1773057945).

2800785255 is a wasteful number, since it uses less digits than its factorization.

2800785255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15823.

The product of its (nonzero) digits is 224000, while the sum is 42.

The square root of 2800785255 is about 52922.4456634423. The cubic root of 2800785255 is about 1409.5914942539.

The spelling of 2800785255 in words is "two billion, eight hundred million, seven hundred eighty-five thousand, two hundred fifty-five".