2785328852 has 24 divisors (see below), whose sum is σ = 4997051136. Its totient is φ = 1357826528.

The previous prime is 2785328851. The next prime is 2785328863. The reversal of 2785328852 is 2588235872.

It is a self number, because there is not a number n which added to its sum of digits gives 2785328852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2785328851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21278 + ... + 77610.

It is an arithmetic number, because the mean of its divisors is an integer number (208210464).

Almost surely, 2^2785328852 is an apocalyptic number.

It is an amenable number.

2785328852 is a deficient number, since it is larger than the sum of its proper divisors (2211722284).

2785328852 is a wasteful number, since it uses less digits than its factorization.

2785328852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56647 (or 56645 counting only the distinct ones).

The product of its digits is 2150400, while the sum is 50.

The square root of 2785328852 is about 52776.2148320624. The cubic root of 2785328852 is about 1406.9937209127.

The spelling of 2785328852 in words is "two billion, seven hundred eighty-five million, three hundred twenty-eight thousand, eight hundred fifty-two".