850859042 has 16 divisors (see below), whose sum is σ = 1394593632. Its totient is φ = 386121120.

The previous prime is 850859029. The next prime is 850859057. The reversal of 850859042 is 240958058.

It is a super-2 number, since 2×850859042² = 1447922218706315528, which contains 22 as substring.

It is an unprimeable number.

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, 17768 + ... + 44915.

It is an arithmetic number, because the mean of its divisors is an integer number (87162102).

Almost surely, 2^850859042 is an apocalyptic number.

850859042 is a deficient number, since it is larger than the sum of its proper divisors (543734590).

850859042 is a wasteful number, since it uses less digits than its factorization.

850859042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63313.

The product of its (nonzero) digits is 115200, while the sum is 41.

The square root of 850859042 is about 29169.4882025722. The cubic root of 850859042 is about 947.5872447238.

The spelling of 850859042 in words is "eight hundred fifty million, eight hundred fifty-nine thousand, forty-two".