858089533609 has 32 divisors (see below), whose sum is σ = 1087805030400. Its totient is φ = 657454795200.

The previous prime is 858089533601. The next prime is 858089533619. The reversal of 858089533609 is 906335980858.

858089533609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 858089533609 - 2³ = 858089533601 is a prime.

It is a super-2 number, since 2×858089533609² (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 polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1828792 + ... + 2249590.

It is an arithmetic number, because the mean of its divisors is an integer number (33993907200).

Almost surely, 2^858089533609 is an apocalyptic number.

It is an amenable number.

858089533609 is a deficient number, since it is larger than the sum of its proper divisors (229715496791).

858089533609 is a wasteful number, since it uses less digits than its factorization.

858089533609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421261.

The product of its (nonzero) digits is 55987200, while the sum is 64.

The spelling of 858089533609 in words is "eight hundred fifty-eight billion, eighty-nine million, five hundred thirty-three thousand, six hundred nine".