858373373858 has 32 divisors (see below), whose sum is σ = 1728751973760. Its totient is φ = 308705708160.

The previous prime is 858373373839. The next prime is 858373373887.

It is a happy number.

858373373858 is nontrivially palindromic in base 10.

It is a Smith number, since the sum of its digits (68) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214376963 + ... + 214380966.

It is an arithmetic number, because the mean of its divisors is an integer number (54023499180).

Almost surely, 2^858373373858 is an apocalyptic number.

858373373858 is an abundant number, since it is smaller than the sum of its proper divisors (870378599902).

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

858373373858 is a wasteful number, since it uses less digits than its factorization.

858373373858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428757962.

The product of its digits is 406425600, while the sum is 68.

The spelling of 858373373858 in words is "eight hundred fifty-eight billion, three hundred seventy-three million, three hundred seventy-three thousand, eight hundred fifty-eight".