859852005 has 8 divisors (see below), whose sum is σ = 1375763232. Its totient is φ = 458587728.

The previous prime is 859851983. The next prime is 859852009. The reversal of 859852005 is 500258958.

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

It is not a de Polignac number, because 859852005 - 2⁹ = 859851493 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (859852009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28661719 + ... + 28661748.

It is an arithmetic number, because the mean of its divisors is an integer number (171970404).

Almost surely, 2^859852005 is an apocalyptic number.

It is an amenable number.

859852005 is a deficient number, since it is larger than the sum of its proper divisors (515911227).

859852005 is a wasteful number, since it uses less digits than its factorization.

859852005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57323475.

The product of its (nonzero) digits is 144000, while the sum is 42.

The square root of 859852005 is about 29323.2331948576. The cubic root of 859852005 is about 950.9139883356.

It can be divided in two parts, 85985 and 2005, that added together give a triangular number (87990 = T₄₁₉).

The spelling of 859852005 in words is "eight hundred fifty-nine million, eight hundred fifty-two thousand, five".