2887200000 has 324 divisors, whose sum is σ = 10430918316. Its totient is φ = 768000000.

The previous prime is 2887199999. The next prime is 2887200007. The reversal of 2887200000 is 27882.

It can be written as a sum of positive squares in 6 ways, for example, as 1478248704 + 1408951296 = 38448^2 + 37536^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2887200007) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7199800 + ... + 7200200.

Almost surely, 2^2887200000 is an apocalyptic number.

2887200000 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 2887200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5215459158).

2887200000 is an abundant number, since it is smaller than the sum of its proper divisors (7543718316).

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

2887200000 is an frugal number, since it uses more digits than its factorization.

2887200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448 (or 411 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 2887200000 is about 53732.6716253715. The cubic root of 2887200000 is about 1423.9419662416.

Adding to 2887200000 its reverse (27882), we get a palindrome (2887227882).

The spelling of 2887200000 in words is "two billion, eight hundred eighty-seven million, two hundred thousand".