2805885852 has 96 divisors (see below), whose sum is σ = 8183099904. Its totient is φ = 726969600.

The previous prime is 2805885847. The next prime is 2805885883. The reversal of 2805885852 is 2585885082.

It is a junction number, because it is equal to n+sod(n) for n = 2805885795 and 2805885804.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 385398 + ... + 392610.

It is an arithmetic number, because the mean of its divisors is an integer number (85240624).

Almost surely, 2^2805885852 is an apocalyptic number.

2805885852 is a gapful number since it is divisible by the number (22) 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 2805885852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4091549952).

2805885852 is an abundant number, since it is smaller than the sum of its proper divisors (5377214052).

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

2805885852 is a wasteful number, since it uses less digits than its factorization.

2805885852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7659 (or 7657 counting only the distinct ones).

The product of its (nonzero) digits is 2048000, while the sum is 51.

The square root of 2805885852 is about 52970.6130982076. The cubic root of 2805885852 is about 1410.4466589555.

The spelling of 2805885852 in words is "two billion, eight hundred five million, eight hundred eighty-five thousand, eight hundred fifty-two".