9821117260 has 48 divisors (see below), whose sum is σ = 22114028160. Its totient is φ = 3650549760.

The previous prime is 9821117249. The next prime is 9821117261. The reversal of 9821117260 is 627111289.

It is not an unprimeable number, because it can be changed into a prime (9821117261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155961 + ... + 209680.

It is an arithmetic number, because the mean of its divisors is an integer number (460708920).

Almost surely, 2^9821117260 is an apocalyptic number.

It is an amenable number.

9821117260 is an abundant number, since it is smaller than the sum of its proper divisors (12292910900).

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

9821117260 is a wasteful number, since it uses less digits than its factorization.

9821117260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365746 (or 365744 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 37.

The square root of 9821117260 is about 99101.5502401451. The cubic root of 9821117260 is about 2141.5109470944.

The spelling of 9821117260 in words is "nine billion, eight hundred twenty-one million, one hundred seventeen thousand, two hundred sixty".