8439872112 has 210 divisors, whose sum is σ = 28521896208. Its totient is φ = 2411228736.

The previous prime is 8439872081. The next prime is 8439872131. The reversal of 8439872112 is 2112789348.

It is a happy number.

8439872112 is a `hidden beast` number, since 84 + 398 + 72 + 112 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 564153 + ... + 578919.

Almost surely, 2^8439872112 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 8439872112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14260948104).

8439872112 is an abundant number, since it is smaller than the sum of its proper divisors (20082024096).

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

8439872112 is a wasteful number, since it uses less digits than its factorization.

8439872112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14807 (or 14779 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 8439872112 is about 91868.7765892199. The cubic root of 8439872112 is about 2036.0039768695.

The spelling of 8439872112 in words is "eight billion, four hundred thirty-nine million, eight hundred seventy-two thousand, one hundred twelve".