858327669361 has 4 divisors (see below), whose sum is σ = 858332466292. Its totient is φ = 858322872432.

The previous prime is 858327669349. The next prime is 858327669421. The reversal of 858327669361 is 163966723858.

858327669361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 655427872225 + 202899797136 = 809585^2 + 450444^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-858327669361 is a prime.

It is a super-2 number, since 2×858327669361² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 858327669293 and 858327669302.

It is not an unprimeable number, because it can be changed into a prime (858327669301) 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, 2119230 + ... + 2491543.

It is an arithmetic number, because the mean of its divisors is an integer number (214583116573).

Almost surely, 2^858327669361 is an apocalyptic number.

It is an amenable number.

858327669361 is a deficient number, since it is larger than the sum of its proper divisors (4796931).

858327669361 is a wasteful number, since it uses less digits than its factorization.

858327669361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4796930.

The product of its digits is 78382080, while the sum is 64.

The spelling of 858327669361 in words is "eight hundred fifty-eight billion, three hundred twenty-seven million, six hundred sixty-nine thousand, three hundred sixty-one".