9713171328 has 256 divisors, whose sum is σ = 30561484800. Its totient is φ = 2675441664.

The previous prime is 9713171311. The next prime is 9713171329. The reversal of 9713171328 is 8231713179.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 9713171328.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9713171329) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12630528 + ... + 12631296.

It is an arithmetic number, because the mean of its divisors is an integer number (119380800).

Almost surely, 2^9713171328 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 9713171328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15280742400).

9713171328 is an abundant number, since it is smaller than the sum of its proper divisors (20848313472).

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

9713171328 is a wasteful number, since it uses less digits than its factorization.

9713171328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957 (or 945 counting only the distinct ones).

The product of its digits is 63504, while the sum is 42.

The square root of 9713171328 is about 98555.4226209801. The cubic root of 9713171328 is about 2133.6360948774.

The spelling of 9713171328 in words is "nine billion, seven hundred thirteen million, one hundred seventy-one thousand, three hundred twenty-eight".