9975565995 has 16 divisors (see below), whose sum is σ = 16300500480. Its totient is φ = 5207103584.

The previous prime is 9975565993. The next prime is 9975566047. The reversal of 9975565995 is 5995655799.

9975565995 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 9975565995 - 2¹ = 9975565993 is a prime.

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

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 15 ways as a sum of consecutive naturals, for example, 7074165 + ... + 7075574.

It is an arithmetic number, because the mean of its divisors is an integer number (1018781280).

Almost surely, 2^9975565995 is an apocalyptic number.

9975565995 is a deficient number, since it is larger than the sum of its proper divisors (6324934485).

9975565995 is a wasteful number, since it uses less digits than its factorization.

9975565995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14149794.

The product of its digits is 172226250, while the sum is 69.

The square root of 9975565995 is about 99877.7552561130. The cubic root of 9975565995 is about 2152.6785433314.

The spelling of 9975565995 in words is "nine billion, nine hundred seventy-five million, five hundred sixty-five thousand, nine hundred ninety-five".