84859668 has 36 divisors (see below), whose sum is σ = 219742068. Its totient is φ = 27596160.

The previous prime is 84859657. The next prime is 84859693. The reversal of 84859668 is 86695848.

It is a happy number.

84859668 is a `hidden beast` number, since 8 + 48 + 596 + 6 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 16499844 + 68359824 = 4062^2 + 8268^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 27271 + ... + 30222.

Almost surely, 2^84859668 is an apocalyptic number.

It is an amenable number.

84859668 is an abundant number, since it is smaller than the sum of its proper divisors (134882400).

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

84859668 is a wasteful number, since it uses less digits than its factorization.

84859668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57544 (or 57539 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 54.

The square root of 84859668 is about 9211.9307422494. The cubic root of 84859668 is about 439.4408669137.

It can be divided in two parts, 848 and 59668, that added together give a square (60516 = 246²).

The spelling of 84859668 in words is "eighty-four million, eight hundred fifty-nine thousand, six hundred sixty-eight".