9867747085904 has 40 divisors (see below), whose sum is σ = 19409953778688. Its totient is φ = 4859293904640.

The previous prime is 9867747085901. The next prime is 9867747085921. The reversal of 9867747085904 is 4095807477689.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9867747085901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17444882 + ... + 18001649.

Almost surely, 2^{9867747085904} is an apocalyptic number.

It is an amenable number.

9867747085904 is a deficient number, since it is larger than the sum of its proper divisors (9542206692784).

9867747085904 is a wasteful number, since it uses less digits than its factorization.

9867747085904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35446803 (or 35446797 counting only the distinct ones).

The product of its (nonzero) digits is 853493760, while the sum is 74.

The spelling of 9867747085904 in words is "nine trillion, eight hundred sixty-seven billion, seven hundred forty-seven million, eighty-five thousand, nine hundred four".