885369609 has 10 divisors (see below), whose sum is σ = 1322589290. Its totient is φ = 590246352.

The previous prime is 885369607. The next prime is 885369631. The reversal of 885369609 is 906963588.

It can be written as a sum of positive squares in only one way, i.e., 496175625 + 389193984 = 22275^2 + 19728^2 .

It is not a de Polignac number, because 885369609 - 2¹ = 885369607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (885369607) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5465164 + ... + 5465325.

It is an arithmetic number, because the mean of its divisors is an integer number (132258929).

Almost surely, 2^885369609 is an apocalyptic number.

It is an amenable number.

885369609 is a deficient number, since it is larger than the sum of its proper divisors (437219681).

885369609 is a wasteful number, since it uses less digits than its factorization.

885369609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10930501 (or 10930492 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The square root of 885369609 is about 29755.1610481274. The cubic root of 885369609 is about 960.2291152365.

The spelling of 885369609 in words is "eight hundred eighty-five million, three hundred sixty-nine thousand, six hundred nine".