9986029917 has 4 divisors (see below), whose sum is σ = 13314706560. Its totient is φ = 6657353276.

The previous prime is 9986029909. The next prime is 9986029957. The reversal of 9986029917 is 7199206899.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7199206899 = 3 ⋅2399735633.

It is a cyclic number.

It is not a de Polignac number, because 9986029917 - 2³ = 9986029909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9986029957) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1664338317 + ... + 1664338322.

It is an arithmetic number, because the mean of its divisors is an integer number (3328676640).

Almost surely, 2^9986029917 is an apocalyptic number.

It is an amenable number.

9986029917 is a deficient number, since it is larger than the sum of its proper divisors (3328676643).

9986029917 is a wasteful number, since it uses less digits than its factorization.

9986029917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3328676642.

The product of its (nonzero) digits is 4408992, while the sum is 60.

The square root of 9986029917 is about 99930.1251725424. The cubic root of 9986029917 is about 2153.4309681028.

The spelling of 9986029917 in words is "nine billion, nine hundred eighty-six million, twenty-nine thousand, nine hundred seventeen".