9796172544 has 108 divisors (see below), whose sum is σ = 28347169032. Its totient is φ = 3253555200.

The previous prime is 9796172543. The next prime is 9796172563. The reversal of 9796172544 is 4452716979.

9796172544 is a `hidden beast` number, since 9 + 7 + 96 + 1 + 7 + 2 + 544 = 666.

It is not an unprimeable number, because it can be changed into a prime (9796172543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 639859 + ... + 654989.

Almost surely, 2^9796172544 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 9796172544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14173584516).

9796172544 is an abundant number, since it is smaller than the sum of its proper divisors (18550996488).

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

9796172544 is a wasteful number, since it uses less digits than its factorization.

9796172544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15434 (or 15417 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 54.

The square root of 9796172544 is about 98975.6159061412. The cubic root of 9796172544 is about 2139.6963309757.

The spelling of 9796172544 in words is "nine billion, seven hundred ninety-six million, one hundred seventy-two thousand, five hundred forty-four".