9986396335876 has 27 divisors (see below), whose sum is σ = 17541727412853. Its totient is φ = 4974543944160.

The previous prime is 9986396335847. The next prime is 9986396335919. The reversal of 9986396335876 is 6785336936899.

The square root of 9986396335876 is 3160126.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 6748699926276 + 3237696409600 = 2597826^2 + 1799360^2 .

It is a super-2 number, since 2×9986396335876² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9986396335876.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1775988001 + ... + 1775993623.

Almost surely, 2^{9986396335876} is an apocalyptic number.

9986396335876 is the 3160126-th square number.

It is an amenable number.

9986396335876 is a deficient number, since it is larger than the sum of its proper divisors (7555331076977).

9986396335876 is an frugal number, since it uses more digits than its factorization.

9986396335876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11812 (or 5906 counting only the distinct ones).

The product of its digits is 9523422720, while the sum is 82.

The spelling of 9986396335876 in words is "nine trillion, nine hundred eighty-six billion, three hundred ninety-six million, three hundred thirty-five thousand, eight hundred seventy-six".