885270409 has 2 divisors, whose sum is σ = 885270410. Its totient is φ = 885270408.

The previous prime is 885270371. The next prime is 885270431. The reversal of 885270409 is 904072588.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 544055625 + 341214784 = 23325^2 + 18472^2 .

It is a cyclic number.

It is not a de Polignac number, because 885270409 - 2¹¹ = 885268361 is a prime.

It is not a weakly prime, because it can be changed into another prime (885270509) 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, 442635204 + 442635205.

It is an arithmetic number, because the mean of its divisors is an integer number (442635205).

Almost surely, 2^885270409 is an apocalyptic number.

It is an amenable number.

885270409 is a deficient number, since it is larger than the sum of its proper divisors (1).

885270409 is an equidigital number, since it uses as much as digits as its factorization.

885270409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 885270409 is about 29753.4940637230. The cubic root of 885270409 is about 960.1932513874.

The spelling of 885270409 in words is "eight hundred eighty-five million, two hundred seventy thousand, four hundred nine".