9789172036 has 24 divisors (see below), whose sum is σ = 19584239360. Its totient is φ = 4194096192.

The previous prime is 9789172007. The next prime is 9789172049. The reversal of 9789172036 is 6302719879.

9789172036 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 45205 + ... + 147043.

Almost surely, 2^9789172036 is an apocalyptic number.

It is an amenable number.

9789172036 is an abundant number, since it is smaller than the sum of its proper divisors (9795067324).

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

9789172036 is a wasteful number, since it uses less digits than its factorization.

9789172036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105283 (or 105281 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 52.

The square root of 9789172036 is about 98940.2447743081. The cubic root of 9789172036 is about 2139.1865219761.

The spelling of 9789172036 in words is "nine billion, seven hundred eighty-nine million, one hundred seventy-two thousand, thirty-six".