2872821120 has 256 divisors, whose sum is σ = 9932025600. Its totient is φ = 702111744.

The previous prime is 2872821103. The next prime is 2872821131. The reversal of 2872821120 is 211282782.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4467519 + ... + 4468161.

It is an arithmetic number, because the mean of its divisors is an integer number (38796975).

Almost surely, 2^2872821120 is an apocalyptic number.

2872821120 is a gapful number since it is divisible by the number (20) 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 2872821120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4966012800).

2872821120 is an abundant number, since it is smaller than the sum of its proper divisors (7059204480).

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

2872821120 is a wasteful number, since it uses less digits than its factorization.

2872821120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857 (or 845 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 33.

The square root of 2872821120 is about 53598.7044619550. The cubic root of 2872821120 is about 1421.5741849453.

The spelling of 2872821120 in words is "two billion, eight hundred seventy-two million, eight hundred twenty-one thousand, one hundred twenty".