9967999704 has 128 divisors (see below), whose sum is σ = 27569203200. Its totient is φ = 2983818240.

The previous prime is 9967999703. The next prime is 9967999729. The reversal of 9967999704 is 4079997699.

It is a super-2 number, since 2×9967999704² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9967999703) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5665977 + ... + 5667735.

It is an arithmetic number, because the mean of its divisors is an integer number (215384400).

Almost surely, 2^9967999704 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 9967999704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13784601600).

9967999704 is an abundant number, since it is smaller than the sum of its proper divisors (17601203496).

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

9967999704 is a wasteful number, since it uses less digits than its factorization.

9967999704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2265 (or 2261 counting only the distinct ones).

The product of its (nonzero) digits is 69441624, while the sum is 69.

The square root of 9967999704 is about 99839.8703124158. The cubic root of 9967999704 is about 2152.1341494249.

The spelling of 9967999704 in words is "nine billion, nine hundred sixty-seven million, nine hundred ninety-nine thousand, seven hundred four".