85986159 has 8 divisors (see below), whose sum is σ = 131026560. Its totient is φ = 49134936.

The previous prime is 85986139. The next prime is 85986161. The reversal of 85986159 is 95168958.

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

It is not a de Polignac number, because 85986159 - 2⁵ = 85986127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85986139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2047269 + ... + 2047310.

It is an arithmetic number, because the mean of its divisors is an integer number (16378320).

Almost surely, 2^85986159 is an apocalyptic number.

85986159 is a deficient number, since it is larger than the sum of its proper divisors (45040401).

85986159 is a wasteful number, since it uses less digits than its factorization.

85986159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4094589.

The product of its digits is 777600, while the sum is 51.

The square root of 85986159 is about 9272.8722087603. The cubic root of 85986159 is about 441.3768150347.

The spelling of 85986159 in words is "eighty-five million, nine hundred eighty-six thousand, one hundred fifty-nine".