2806113856 has 112 divisors (see below), whose sum is σ = 6896364160. Its totient is φ = 1109721600.

The previous prime is 2806113853. The next prime is 2806113889. The reversal of 2806113856 is 6583116082.

It is a tau number, because it is divible by the number of its divisors (112).

It is not an unprimeable number, because it can be changed into a prime (2806113851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 982831 + ... + 985681.

It is an arithmetic number, because the mean of its divisors is an integer number (61574680).

Almost surely, 2^2806113856 is an apocalyptic number.

2806113856 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2806113856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3448182080).

2806113856 is an abundant number, since it is smaller than the sum of its proper divisors (4090250304).

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

2806113856 is an equidigital number, since it uses as much as digits as its factorization.

2806113856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2909 (or 2873 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 2806113856 is about 52972.7652289363. The cubic root of 2806113856 is about 1410.4848618364.

The spelling of 2806113856 in words is "two billion, eight hundred six million, one hundred thirteen thousand, eight hundred fifty-six".