2853920868 has 96 divisors (see below), whose sum is σ = 7109544960. Its totient is φ = 889088640.

The previous prime is 2853920857. The next prime is 2853920869. The reversal of 2853920868 is 8680293582.

It is a self number, because there is not a number n which added to its sum of digits gives 2853920868.

It is not an unprimeable number, because it can be changed into a prime (2853920869) 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 31 ways as a sum of consecutive naturals, for example, 3013171 + ... + 3014117.

It is an arithmetic number, because the mean of its divisors is an integer number (74057760).

Almost surely, 2^2853920868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2853920868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3554772480).

2853920868 is an abundant number, since it is smaller than the sum of its proper divisors (4255624092).

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

2853920868 is a wasteful number, since it uses less digits than its factorization.

2853920868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217 (or 1215 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 51.

The square root of 2853920868 is about 53422.1009321049. The cubic root of 2853920868 is about 1418.4498172753.

The spelling of 2853920868 in words is "two billion, eight hundred fifty-three million, nine hundred twenty thousand, eight hundred sixty-eight".