2887972272 has 80 divisors (see below), whose sum is σ = 8403197280. Its totient is φ = 949459968.

The previous prime is 2887972271. The next prime is 2887972273. The reversal of 2887972272 is 2722797882.

2887972272 is a `hidden beast` number, since 288 + 7 + 97 + 2 + 272 = 666.

It is an interprime number because it is at equal distance from previous prime (2887972271) and next prime (2887972273).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (2887972271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14253 + ... + 77324.

It is an arithmetic number, because the mean of its divisors is an integer number (105039966).

Almost surely, 2^2887972272 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 2887972272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4201598640).

2887972272 is an abundant number, since it is smaller than the sum of its proper divisors (5515225008).

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

2887972272 is a wasteful number, since it uses less digits than its factorization.

2887972272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91667 (or 91655 counting only the distinct ones).

The product of its digits is 3161088, while the sum is 54.

The square root of 2887972272 is about 53739.8573872317. The cubic root of 2887972272 is about 1424.0689142047.

The spelling of 2887972272 in words is "two billion, eight hundred eighty-seven million, nine hundred seventy-two thousand, two hundred seventy-two".