885015009 has 6 divisors (see below), whose sum is σ = 1278355026. Its totient is φ = 590010000.

The previous prime is 885014987. The next prime is 885015013. The reversal of 885015009 is 900510588.

It can be written as a sum of positive squares in only one way, i.e., 465912225 + 419102784 = 21585^2 + 20472^2 .

It is not a de Polignac number, because 885015009 - 2⁷ = 885014881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (885015049) 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 5 ways as a sum of consecutive naturals, for example, 49167492 + ... + 49167509.

It is an arithmetic number, because the mean of its divisors is an integer number (213059171).

Almost surely, 2^885015009 is an apocalyptic number.

It is an amenable number.

885015009 is a deficient number, since it is larger than the sum of its proper divisors (393340017).

885015009 is a wasteful number, since it uses less digits than its factorization.

885015009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98335007 (or 98335004 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 36.

The square root of 885015009 is about 29749.2018212254. The cubic root of 885015009 is about 960.1009041073.

The spelling of 885015009 in words is "eight hundred eighty-five million, fifteen thousand, nine".