9913706208 has 192 divisors, whose sum is σ = 33465600000. Its totient is φ = 2796498432.

The previous prime is 9913706191. The next prime is 9913706227. The reversal of 9913706208 is 8026073199.

9913706208 is a `hidden beast` number, since 9 + 9 + 13 + 7 + 0 + 620 + 8 = 666.

9913706208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 467418 + ... + 488166.

It is an arithmetic number, because the mean of its divisors is an integer number (174300000).

Almost surely, 2^9913706208 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 9913706208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16732800000).

9913706208 is an abundant number, since it is smaller than the sum of its proper divisors (23551893792).

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

9913706208 is a wasteful number, since it uses less digits than its factorization.

9913706208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20854 (or 20840 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 9913706208 is about 99567.5961746592. The cubic root of 9913706208 is about 2148.2196336073.

It can be divided in two parts, 991370 and 6208, that added together give a triangular number (997578 = T₁₄₁₂).

The spelling of 9913706208 in words is "nine billion, nine hundred thirteen million, seven hundred six thousand, two hundred eight".