9975565996 has 12 divisors (see below), whose sum is σ = 19044262440. Its totient is φ = 4534348160.

The previous prime is 9975565993. The next prime is 9975566047. The reversal of 9975565996 is 6995655799.

It is not an unprimeable number, because it can be changed into a prime (9975565993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113358661 + ... + 113358748.

It is an arithmetic number, because the mean of its divisors is an integer number (1587021870).

Almost surely, 2^9975565996 is an apocalyptic number.

It is an amenable number.

9975565996 is a deficient number, since it is larger than the sum of its proper divisors (9068696444).

9975565996 is a wasteful number, since it uses less digits than its factorization.

9975565996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226717424 (or 226717422 counting only the distinct ones).

The product of its digits is 206671500, while the sum is 70.

The square root of 9975565996 is about 99877.7552611191. The cubic root of 9975565996 is about 2152.6785434034.

The spelling of 9975565996 in words is "nine billion, nine hundred seventy-five million, five hundred sixty-five thousand, nine hundred ninety-six".