85009011 has 8 divisors (see below), whose sum is σ = 114898320. Its totient is φ = 55896192.

The previous prime is 85009009. The next prime is 85009033. The reversal of 85009011 is 11090058.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85009011 - 2¹ = 85009009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85001011) 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 7 ways as a sum of consecutive naturals, for example, 193866 + ... + 194303.

It is an arithmetic number, because the mean of its divisors is an integer number (14362290).

Almost surely, 2^85009011 is an apocalyptic number.

85009011 is a deficient number, since it is larger than the sum of its proper divisors (29889309).

85009011 is a wasteful number, since it uses less digits than its factorization.

85009011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388245.

The product of its (nonzero) digits is 360, while the sum is 24.

The square root of 85009011 is about 9220.0331344307. The cubic root of 85009011 is about 439.6985038559.

Adding to 85009011 its reverse (11090058), we get a palindrome (96099069).

The spelling of 85009011 in words is "eighty-five million, nine thousand, eleven".