859105180873 has 8 divisors (see below), whose sum is σ = 864343295496. Its totient is φ = 853870195200.

The previous prime is 859105180783. The next prime is 859105180883. The reversal of 859105180873 is 378081501958.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 40653850384 + 818451330489 = 201628^2 + 904683^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-859105180873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (859105180883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230248 + ... + 1330873.

It is an arithmetic number, because the mean of its divisors is an integer number (108042911937).

Almost surely, 2^859105180873 is an apocalyptic number.

It is an amenable number.

859105180873 is a deficient number, since it is larger than the sum of its proper divisors (5238114623).

859105180873 is a wasteful number, since it uses less digits than its factorization.

859105180873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1564475.

The product of its (nonzero) digits is 2419200, while the sum is 55.

The spelling of 859105180873 in words is "eight hundred fifty-nine billion, one hundred five million, one hundred eighty thousand, eight hundred seventy-three".