85689806 has 8 divisors (see below), whose sum is σ = 129253320. Its totient is φ = 42605368.

The previous prime is 85689803. The next prime is 85689833. The reversal of 85689806 is 60898658.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85689803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119321 + ... + 120036.

It is an arithmetic number, because the mean of its divisors is an integer number (16156665).

Almost surely, 2^85689806 is an apocalyptic number.

85689806 is a deficient number, since it is larger than the sum of its proper divisors (43563514).

85689806 is a wasteful number, since it uses less digits than its factorization.

85689806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239538.

The product of its (nonzero) digits is 829440, while the sum is 50.

The square root of 85689806 is about 9256.8788476462. The cubic root of 85689806 is about 440.8691600614.

The spelling of 85689806 in words is "eighty-five million, six hundred eighty-nine thousand, eight hundred six".