9885775 has 6 divisors (see below), whose sum is σ = 12258392. Its totient is φ = 7908600.

The previous prime is 9885773. The next prime is 9885803. The reversal of 9885775 is 5775889.

9885775 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9885775 - 2¹ = 9885773 is a prime.

It is a Duffinian number.

9885775 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9885773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 197691 + ... + 197740.

Almost surely, 2^9885775 is an apocalyptic number.

9885775 is a deficient number, since it is larger than the sum of its proper divisors (2372617).

9885775 is a wasteful number, since it uses less digits than its factorization.

9885775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395441 (or 395436 counting only the distinct ones).

The product of its digits is 705600, while the sum is 49.

The square root of 9885775 is about 3144.1652310271. The cubic root of 9885775 is about 214.6200247267.

The spelling of 9885775 in words is "nine million, eight hundred eighty-five thousand, seven hundred seventy-five".