85686307 has 8 divisors (see below), whose sum is σ = 103687776. Its totient is φ = 69124992.

The previous prime is 85686287. The next prime is 85686331. The reversal of 85686307 is 70368658.

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

It is not a de Polignac number, because 85686307 - 2⁷ = 85686179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85686347) 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 7 ways as a sum of consecutive naturals, for example, 359908 + ... + 360145.

It is an arithmetic number, because the mean of its divisors is an integer number (12960972).

Almost surely, 2^85686307 is an apocalyptic number.

85686307 is a deficient number, since it is larger than the sum of its proper divisors (18001469).

85686307 is a wasteful number, since it uses less digits than its factorization.

85686307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720077.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 85686307 is about 9256.6898511293. The cubic root of 85686307 is about 440.8631592613.

The spelling of 85686307 in words is "eighty-five million, six hundred eighty-six thousand, three hundred seven".