9717418368 has 640 divisors, whose sum is σ = 36137376000. Its totient is φ = 2539579392.

The previous prime is 9717418267. The next prime is 9717418369. The reversal of 9717418368 is 8638147179.

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

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

Its product of digits (2032128) is a multiple of the sum of its prime factors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9717418369) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 335083378 + ... + 335083406.

It is an arithmetic number, because the mean of its divisors is an integer number (56464650).

Almost surely, 2^9717418368 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 9717418368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18068688000).

9717418368 is an abundant number, since it is smaller than the sum of its proper divisors (26419957632).

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

9717418368 is an frugal number, since it uses more digits than its factorization.

9717418368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96 (or 60 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 54.

The square root of 9717418368 is about 98576.9667214406. The cubic root of 9717418368 is about 2133.9470237916.

The spelling of 9717418368 in words is "nine billion, seven hundred seventeen million, four hundred eighteen thousand, three hundred sixty-eight".