885133189 has 2 divisors, whose sum is σ = 885133190. Its totient is φ = 885133188.

The previous prime is 885133141. The next prime is 885133243. The reversal of 885133189 is 981331588.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 693532225 + 191600964 = 26335^2 + 13842^2 .

It is a cyclic number.

It is not a de Polignac number, because 885133189 - 2¹³ = 885124997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (885133289) 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 as a sum of consecutive naturals, namely, 442566594 + 442566595.

It is an arithmetic number, because the mean of its divisors is an integer number (442566595).

Almost surely, 2^885133189 is an apocalyptic number.

It is an amenable number.

885133189 is a deficient number, since it is larger than the sum of its proper divisors (1).

885133189 is an equidigital number, since it uses as much as digits as its factorization.

885133189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 46.

The square root of 885133189 is about 29751.1880266990. The cubic root of 885133189 is about 960.1436377233.

The spelling of 885133189 in words is "eight hundred eighty-five million, one hundred thirty-three thousand, one hundred eighty-nine".