9666775 has 12 divisors (see below), whose sum is σ = 12280464. Its totient is φ = 7544000.

The previous prime is 9666757. The next prime is 9666779. The reversal of 9666775 is 5776669.

It is not a de Polignac number, because 9666775 - 2⁵ = 9666743 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9666779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3691 + ... + 5740.

It is an arithmetic number, because the mean of its divisors is an integer number (1023372).

Almost surely, 2^9666775 is an apocalyptic number.

9666775 is a deficient number, since it is larger than the sum of its proper divisors (2613689).

9666775 is a wasteful number, since it uses less digits than its factorization.

9666775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9482 (or 9477 counting only the distinct ones).

The product of its digits is 476280, while the sum is 46.

The square root of 9666775 is about 3109.1437728095. The cubic root of 9666775 is about 213.0233467176.

The spelling of 9666775 in words is "nine million, six hundred sixty-six thousand, seven hundred seventy-five".