2847471872 has 72 divisors (see below), whose sum is σ = 6585081216. Its totient is φ = 1203572736.

The previous prime is 2847471871. The next prime is 2847471877. The reversal of 2847471872 is 2781747482.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 2847471872.

It is not an unprimeable number, because it can be changed into a prime (2847471871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119933 + ... + 141699.

Almost surely, 2^2847471872 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 2847471872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3292540608).

2847471872 is an abundant number, since it is smaller than the sum of its proper divisors (3737609344).

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

2847471872 is an equidigital number, since it uses as much as digits as its factorization.

2847471872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21863 (or 21849 counting only the distinct ones).

The product of its digits is 1404928, while the sum is 50.

The square root of 2847471872 is about 53361.7079186939. The cubic root of 2847471872 is about 1417.3805892980.

The spelling of 2847471872 in words is "two billion, eight hundred forty-seven million, four hundred seventy-one thousand, eight hundred seventy-two".