859361144 has 16 divisors (see below), whose sum is σ = 1681359120. Its totient is φ = 410998720.

The previous prime is 859361099. The next prime is 859361177. The reversal of 859361144 is 441163958.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2335037 + ... + 2335404.

It is an arithmetic number, because the mean of its divisors is an integer number (105084945).

Almost surely, 2^859361144 is an apocalyptic number.

It is an amenable number.

859361144 is a deficient number, since it is larger than the sum of its proper divisors (821997976).

859361144 is a wasteful number, since it uses less digits than its factorization.

859361144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4670470 (or 4670466 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The square root of 859361144 is about 29314.8621692138. The cubic root of 859361144 is about 950.7330054699.

The spelling of 859361144 in words is "eight hundred fifty-nine million, three hundred sixty-one thousand, one hundred forty-four".