859494931596 has 432 divisors, whose sum is σ = 2761094988288. Its totient is φ = 220049280000.

The previous prime is 859494931591. The next prime is 859494931601. The reversal of 859494931596 is 695139494958.

859494931596 is a `hidden beast` number, since 8 + 5 + 9 + 49 + 493 + 1 + 5 + 96 = 666.

859494931596 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (859494931591) and next prime (859494931601).

It is not an unprimeable number, because it can be changed into a prime (859494931591) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 568824481 + ... + 568825991.

It is an arithmetic number, because the mean of its divisors is an integer number (6391423584).

Almost surely, 2^859494931596 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 859494931596, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1380547494144).

859494931596 is an abundant number, since it is smaller than the sum of its proper divisors (1901600056692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

859494931596 is a wasteful number, since it uses less digits than its factorization.

859494931596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1842 (or 1814 counting only the distinct ones).

The product of its digits is 377913600, while the sum is 72.

The spelling of 859494931596 in words is "eight hundred fifty-nine billion, four hundred ninety-four million, nine hundred thirty-one thousand, five hundred ninety-six".