9859924712 has 64 divisors (see below), whose sum is σ = 20539699200. Its totient is φ = 4399416000.

The previous prime is 9859924699. The next prime is 9859924721. The reversal of 9859924712 is 2174299589.

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, 6702137 + ... + 6703607.

It is an arithmetic number, because the mean of its divisors is an integer number (320932800).

Almost surely, 2^9859924712 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 9859924712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10269849600).

9859924712 is an abundant number, since it is smaller than the sum of its proper divisors (10679774488).

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

9859924712 is a wasteful number, since it uses less digits than its factorization.

9859924712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2838 (or 2834 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 56.

The square root of 9859924712 is about 99297.1535946525. The cubic root of 9859924712 is about 2144.3279164706.

The spelling of 9859924712 in words is "nine billion, eight hundred fifty-nine million, nine hundred twenty-four thousand, seven hundred twelve".