85332909 has 4 divisors (see below), whose sum is σ = 113777216. Its totient is φ = 56888604.

The previous prime is 85332901. The next prime is 85333019. The reversal of 85332909 is 90923358.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 85332909 - 2³ = 85332901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85332901) 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 in 3 ways as a sum of consecutive naturals, for example, 14222149 + ... + 14222154.

It is an arithmetic number, because the mean of its divisors is an integer number (28444304).

Almost surely, 2^85332909 is an apocalyptic number.

It is an amenable number.

85332909 is a deficient number, since it is larger than the sum of its proper divisors (28444307).

85332909 is a wasteful number, since it uses less digits than its factorization.

85332909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28444306.

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 85332909 is about 9237.5813392901. The cubic root of 85332909 is about 440.2562367692.

The spelling of 85332909 in words is "eighty-five million, three hundred thirty-two thousand, nine hundred nine".