858424424858 has 64 divisors (see below), whose sum is σ = 1731472968960. Its totient is φ = 308256537600.

The previous prime is 858424424747. The next prime is 858424424861.

858424424858 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 858424424858.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 998978 + ... + 1647666.

It is an arithmetic number, because the mean of its divisors is an integer number (27054265140).

Almost surely, 2^858424424858 is an apocalyptic number.

858424424858 is an abundant number, since it is smaller than the sum of its proper divisors (873048544102).

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

858424424858 is a wasteful number, since it uses less digits than its factorization.

858424424858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649383.

The product of its digits is 104857600, while the sum is 62.

It can be divided in two parts, 8584 and 24424858, that added together give a palindrome (24433442).

The spelling of 858424424858 in words is "eight hundred fifty-eight billion, four hundred twenty-four million, four hundred twenty-four thousand, eight hundred fifty-eight".