859000859 has 8 divisors (see below), whose sum is σ = 868603440. Its totient is φ = 849420000.

The previous prime is 859000853. The next prime is 859000861. The reversal of 859000859 is 958000958.

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

It is a cyclic number.

It is not a de Polignac number, because 859000859 - 2¹⁶ = 858935323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (859000853) 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, 81809 + ... + 91709.

It is an arithmetic number, because the mean of its divisors is an integer number (108575430).

Almost surely, 2^859000859 is an apocalyptic number.

859000859 is a deficient number, since it is larger than the sum of its proper divisors (9602581).

859000859 is a wasteful number, since it uses less digits than its factorization.

859000859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10861.

The product of its (nonzero) digits is 129600, while the sum is 44.

The square root of 859000859 is about 29308.7164338529. The cubic root of 859000859 is about 950.6001227568.

Subtracting 859000859 from its reverse (958000958), we obtain a palindrome (99000099).

The spelling of 859000859 in words is "eight hundred fifty-nine million, eight hundred fifty-nine", and thus it is an aban number.