85108305 has 16 divisors (see below), whose sum is σ = 139071744. Its totient is φ = 44424960.

The previous prime is 85108271. The next prime is 85108319. The reversal of 85108305 is 50380158.

It is a happy number.

It is not a de Polignac number, because 85108305 - 2¹¹ = 85106257 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 59656 + ... + 61065.

It is an arithmetic number, because the mean of its divisors is an integer number (8691984).

Almost surely, 2^85108305 is an apocalyptic number.

It is an amenable number.

85108305 is a deficient number, since it is larger than the sum of its proper divisors (53963439).

85108305 is a wasteful number, since it uses less digits than its factorization.

85108305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120776.

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 85108305 is about 9225.4162507716. The cubic root of 85108305 is about 439.8696325205.

The spelling of 85108305 in words is "eighty-five million, one hundred eight thousand, three hundred five".