85009305 has 8 divisors (see below), whose sum is σ = 136014912. Its totient is φ = 45338288.

The previous prime is 85009283. The next prime is 85009307. The reversal of 85009305 is 50390058.

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

It is a cyclic number.

It is not a de Polignac number, because 85009305 - 2⁵ = 85009273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85009307) 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, 2833629 + ... + 2833658.

It is an arithmetic number, because the mean of its divisors is an integer number (17001864).

Almost surely, 2^85009305 is an apocalyptic number.

It is an amenable number.

85009305 is a deficient number, since it is larger than the sum of its proper divisors (51005607).

85009305 is a wasteful number, since it uses less digits than its factorization.

85009305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5667295.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 85009305 is about 9220.0490779605. The cubic root of 85009305 is about 439.6990107481.

The spelling of 85009305 in words is "eighty-five million, nine thousand, three hundred five".