2855997012 has 24 divisors (see below), whose sum is σ = 7269810912. Its totient is φ = 865453600.

The previous prime is 2855996953. The next prime is 2855997013. The reversal of 2855997012 is 2107995582.

It is a super-3 number, since 3×2855997012³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2855997013) 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, 10818039 + ... + 10818302.

It is an arithmetic number, because the mean of its divisors is an integer number (302908788).

Almost surely, 2^2855997012 is an apocalyptic number.

2855997012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2855997012 is an abundant number, since it is smaller than the sum of its proper divisors (4413813900).

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

2855997012 is a wasteful number, since it uses less digits than its factorization.

2855997012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21636359 (or 21636357 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 48.

The square root of 2855997012 is about 53441.5289077698. The cubic root of 2855997012 is about 1418.7936941604.

The spelling of 2855997012 in words is "two billion, eight hundred fifty-five million, nine hundred ninety-seven thousand, twelve".