858089533608 has 192 divisors, whose sum is σ = 2461856904000. Its totient is φ = 269258121216.

The previous prime is 858089533601. The next prime is 858089533619. The reversal of 858089533608 is 806335980858.

It is a super-2 number, since 2×858089533608² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (858089533601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 179176878 + ... + 179181666.

It is an arithmetic number, because the mean of its divisors is an integer number (12822171375).

Almost surely, 2^858089533608 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 858089533608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1230928452000).

858089533608 is an abundant number, since it is smaller than the sum of its proper divisors (1603767370392).

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

858089533608 is a wasteful number, since it uses less digits than its factorization.

858089533608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5624 (or 5617 counting only the distinct ones).

The product of its (nonzero) digits is 49766400, while the sum is 63.

The spelling of 858089533608 in words is "eight hundred fifty-eight billion, eighty-nine million, five hundred thirty-three thousand, six hundred eight".