8471839320 has 768 divisors, whose sum is σ = 35493120000. Its totient is φ = 1743565824.

The previous prime is 8471839319. The next prime is 8471839331. The reversal of 8471839320 is 239381748.

It is a super-2 number, since 2×8471839320² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 53960682 + ... + 53960838.

It is an arithmetic number, because the mean of its divisors is an integer number (46215000).

Almost surely, 2^8471839320 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 8471839320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17746560000).

8471839320 is an abundant number, since it is smaller than the sum of its proper divisors (27021280680).

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

8471839320 is a wasteful number, since it uses less digits than its factorization.

8471839320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 8471839320 is about 92042.5951394244. The cubic root of 8471839320 is about 2038.5712891422.

The spelling of 8471839320 in words is "eight billion, four hundred seventy-one million, eight hundred thirty-nine thousand, three hundred twenty".