859079 has 4 divisors (see below), whose sum is σ = 925176. Its totient is φ = 792984.

The previous prime is 859057. The next prime is 859081. The reversal of 859079 is 970958.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 970958 = 2 ⋅485479.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-859079 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (859049) 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, 33029 + ... + 33054.

It is an arithmetic number, because the mean of its divisors is an integer number (231294).

2⁸⁵⁹⁰⁷⁹ is an apocalyptic number.

859079 is a deficient number, since it is larger than the sum of its proper divisors (66097).

859079 is a wasteful number, since it uses less digits than its factorization.

859079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66096.

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 859079 is about 926.8651466098. The cubic root of 859079 is about 95.0628946396.

The spelling of 859079 in words is "eight hundred fifty-nine thousand, seventy-nine".