9866980575 has 30 divisors (see below), whose sum is σ = 18277062584. Its totient is φ = 5262388560.

The previous prime is 9866980567. The next prime is 9866980597. The reversal of 9866980575 is 5750896689.

It is not a de Polignac number, because 9866980575 - 2³ = 9866980567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 2434267 + ... + 2438316.

Almost surely, 2^9866980575 is an apocalyptic number.

9866980575 is a deficient number, since it is larger than the sum of its proper divisors (8410082009).

9866980575 is a wasteful number, since it uses less digits than its factorization.

9866980575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4872605 (or 4872591 counting only the distinct ones).

The product of its (nonzero) digits is 32659200, while the sum is 63.

The square root of 9866980575 is about 99332.6762701982. The cubic root of 9866980575 is about 2144.8392955058.

The spelling of 9866980575 in words is "nine billion, eight hundred sixty-six million, nine hundred eighty thousand, five hundred seventy-five".