9788617244 has 48 divisors (see below), whose sum is σ = 20035814400. Its totient is φ = 4097231040.

The previous prime is 9788617217. The next prime is 9788617259. The reversal of 9788617244 is 4427168879.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 9788617244.

It is a congruent number.

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, 638582 + ... + 653730.

It is an arithmetic number, because the mean of its divisors is an integer number (417412800).

Almost surely, 2^9788617244 is an apocalyptic number.

9788617244 is a gapful number since it is divisible by the number (94) 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 9788617244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10017907200).

9788617244 is an abundant number, since it is smaller than the sum of its proper divisors (10247197156).

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

9788617244 is a wasteful number, since it uses less digits than its factorization.

9788617244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15698 (or 15696 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 56.

The square root of 9788617244 is about 98937.4410625219. The cubic root of 9788617244 is about 2139.1461090932.

The spelling of 9788617244 in words is "nine billion, seven hundred eighty-eight million, six hundred seventeen thousand, two hundred forty-four".