9975082685 has 4 divisors (see below), whose sum is σ = 11970099228. Its totient is φ = 7980066144.

The previous prime is 9975082679. The next prime is 9975082687. The reversal of 9975082685 is 5862805799.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7911924601 + 2063158084 = 88949^2 + 45422^2 .

It is a cyclic number.

It is not a de Polignac number, because 9975082685 - 2¹⁴ = 9975066301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9975082687) 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, 997508264 + ... + 997508273.

It is an arithmetic number, because the mean of its divisors is an integer number (2992524807).

Almost surely, 2^9975082685 is an apocalyptic number.

It is an amenable number.

9975082685 is a deficient number, since it is larger than the sum of its proper divisors (1995016543).

9975082685 is a wasteful number, since it uses less digits than its factorization.

9975082685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1995016542.

The product of its (nonzero) digits is 10886400, while the sum is 59.

The square root of 9975082685 is about 99875.3357190853. The cubic root of 9975082685 is about 2152.6437774555.

The spelling of 9975082685 in words is "nine billion, nine hundred seventy-five million, eighty-two thousand, six hundred eighty-five".