7869847272 has 192 divisors, whose sum is σ = 24654643200. Its totient is φ = 2080391040.

The previous prime is 7869847267. The next prime is 7869847303. The reversal of 7869847272 is 2727489687.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 956697 + ... + 964887.

It is an arithmetic number, because the mean of its divisors is an integer number (128409600).

Almost surely, 2^7869847272 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 7869847272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12327321600).

7869847272 is an abundant number, since it is smaller than the sum of its proper divisors (16784795928).

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

7869847272 is a wasteful number, since it uses less digits than its factorization.

7869847272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8276 (or 8265 counting only the distinct ones).

The product of its digits is 18966528, while the sum is 60.

The square root of 7869847272 is about 88712.1596625852. The cubic root of 7869847272 is about 1989.0945833573.

The spelling of 7869847272 in words is "seven billion, eight hundred sixty-nine million, eight hundred forty-seven thousand, two hundred seventy-two".