859444368 has 20 divisors (see below), whose sum is σ = 2220231408. Its totient is φ = 286481440.

The previous prime is 859444363. The next prime is 859444387. The reversal of 859444368 is 863444958.

It is a self number, because there is not a number n which added to its sum of digits gives 859444368.

It is not an unprimeable number, because it can be changed into a prime (859444361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8952498 + ... + 8952593.

Almost surely, 2^859444368 is an apocalyptic number.

It is an amenable number.

859444368 is an abundant number, since it is smaller than the sum of its proper divisors (1360787040).

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

859444368 is a wasteful number, since it uses less digits than its factorization.

859444368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17905102 (or 17905096 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 51.

The square root of 859444368 is about 29316.2816196052. The cubic root of 859444368 is about 950.7636954191.

The spelling of 859444368 in words is "eight hundred fifty-nine million, four hundred forty-four thousand, three hundred sixty-eight".