9647972208 has 300 divisors, whose sum is σ = 32746680120. Its totient is φ = 2734228224.

The previous prime is 9647972197. The next prime is 9647972251. The reversal of 9647972208 is 8022797469.

9647972208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 59 ways as a sum of consecutive naturals, for example, 8826510 + ... + 8827602.

Almost surely, 2^9647972208 is an apocalyptic number.

9647972208 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9647972208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16373340060).

9647972208 is an abundant number, since it is smaller than the sum of its proper divisors (23098707912).

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

9647972208 is a wasteful number, since it uses less digits than its factorization.

9647972208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266 (or 1244 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The square root of 9647972208 is about 98224.0917901510. The cubic root of 9647972208 is about 2128.8514021568.

The spelling of 9647972208 in words is "nine billion, six hundred forty-seven million, nine hundred seventy-two thousand, two hundred eight".