5271389872 has 80 divisors (see below), whose sum is σ = 12199219200. Its totient is φ = 2157509376.

The previous prime is 5271389861. The next prime is 5271389897. The reversal of 5271389872 is 2789831725.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2196129 + ... + 2198527.

It is an arithmetic number, because the mean of its divisors is an integer number (152490240).

Almost surely, 2^5271389872 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 5271389872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6099609600).

5271389872 is an abundant number, since it is smaller than the sum of its proper divisors (6927829328).

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

5271389872 is a wasteful number, since it uses less digits than its factorization.

5271389872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3290 (or 3284 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 52.

The square root of 5271389872 is about 72604.3378318403. The cubic root of 5271389872 is about 1740.3704975787.

The spelling of 5271389872 in words is "five billion, two hundred seventy-one million, three hundred eighty-nine thousand, eight hundred seventy-two".