8909217036 has 18 divisors (see below), whose sum is σ = 22520520932. Its totient is φ = 2969739000.

The previous prime is 8909217001. The next prime is 8909217041. The reversal of 8909217036 is 6307129098.

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 8909216982 and 8909217000.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 123739090 + ... + 123739161.

Almost surely, 2^8909217036 is an apocalyptic number.

It is an amenable number.

8909217036 is an abundant number, since it is smaller than the sum of its proper divisors (13611303896).

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

8909217036 is a wasteful number, since it uses less digits than its factorization.

8909217036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247478261 (or 247478256 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 8909217036 is about 94388.6488726266. The cubic root of 8909217036 is about 2073.0662420549.

The spelling of 8909217036 in words is "eight billion, nine hundred nine million, two hundred seventeen thousand, thirty-six".