2855784612 has 12 divisors (see below), whose sum is σ = 6663497456. Its totient is φ = 951928200.

The previous prime is 2855784587. The next prime is 2855784619. The reversal of 2855784612 is 2164875582.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (2855784619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118991014 + ... + 118991037.

Almost surely, 2^2855784612 is an apocalyptic number.

It is an amenable number.

2855784612 is an abundant number, since it is smaller than the sum of its proper divisors (3807712844).

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

2855784612 is a wasteful number, since it uses less digits than its factorization.

2855784612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237982058 (or 237982056 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 48.

The square root of 2855784612 is about 53439.5416522260. The cubic root of 2855784612 is about 1418.7585214752.

The spelling of 2855784612 in words is "two billion, eight hundred fifty-five million, seven hundred eighty-four thousand, six hundred twelve".