9975565982 has 16 divisors (see below), whose sum is σ = 15015555360. Its totient is φ = 4970396928.

The previous prime is 9975565961. The next prime is 9975565993. The reversal of 9975565982 is 2895655799.

9975565982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×9975565982³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2536994 + ... + 2540922.

It is an arithmetic number, because the mean of its divisors is an integer number (938472210).

Almost surely, 2^9975565982 is an apocalyptic number.

9975565982 is a deficient number, since it is larger than the sum of its proper divisors (5039989378).

9975565982 is a wasteful number, since it uses less digits than its factorization.

9975565982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8035.

The product of its digits is 61236000, while the sum is 65.

The square root of 9975565982 is about 99877.7551910334. The cubic root of 9975565982 is about 2152.6785423963.

The spelling of 9975565982 in words is "nine billion, nine hundred seventy-five million, five hundred sixty-five thousand, nine hundred eighty-two".