858462844964 has 6 divisors (see below), whose sum is σ = 1502309978694. Its totient is φ = 429231422480.

The previous prime is 858462844933. The next prime is 858462844991. The reversal of 858462844964 is 469448264858.

858462844964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 657328534564 + 201134310400 = 810758^2 + 448480^2 .

It is a super-2 number, since 2×858462844964² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 858462844894 and 858462844903.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107307855617 + ... + 107307855624.

It is an arithmetic number, because the mean of its divisors is an integer number (250384996449).

Almost surely, 2^858462844964 is an apocalyptic number.

It is an amenable number.

858462844964 is a deficient number, since it is larger than the sum of its proper divisors (643847133730).

858462844964 is a wasteful number, since it uses less digits than its factorization.

858462844964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214615711245 (or 214615711243 counting only the distinct ones).

The product of its digits is 424673280, while the sum is 68.

The spelling of 858462844964 in words is "eight hundred fifty-eight billion, four hundred sixty-two million, eight hundred forty-four thousand, nine hundred sixty-four".