859479612 has 48 divisors (see below), whose sum is σ = 2091048960. Its totient is φ = 274421952.

The previous prime is 859479587. The next prime is 859479661. The reversal of 859479612 is 216974958.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

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 15 ways as a sum of consecutive naturals, for example, 34473 + ... + 53919.

It is an arithmetic number, because the mean of its divisors is an integer number (43563520).

Almost surely, 2^859479612 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 859479612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1045524480).

859479612 is an abundant number, since it is smaller than the sum of its proper divisors (1231569348).

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

859479612 is a wasteful number, since it uses less digits than its factorization.

859479612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19610 (or 19608 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 51.

The square root of 859479612 is about 29316.8827128670. The cubic root of 859479612 is about 950.7766915124.

It can be divided in two parts, 85947 and 9612, that added together give a palindrome (95559).

The spelling of 859479612 in words is "eight hundred fifty-nine million, four hundred seventy-nine thousand, six hundred twelve".