858828858 has 16 divisors (see below), whose sum is σ = 1718595360. Its totient is φ = 286120016.

The previous prime is 858828857. The next prime is 858828863.

858828858 is nontrivially palindromic in base 10.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (858828853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26868 + ... + 49391.

It is an arithmetic number, because the mean of its divisors is an integer number (107412210).

Almost surely, 2^858828858 is an apocalyptic number.

858828858 is an abundant number, since it is smaller than the sum of its proper divisors (859766502).

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

858828858 is a wasteful number, since it uses less digits than its factorization.

858828858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78141.

The product of its digits is 13107200, while the sum is 60.

The square root of 858828858 is about 29305.7819892253. The cubic root of 858828858 is about 950.5366710989.

The spelling of 858828858 in words is "eight hundred fifty-eight million, eight hundred twenty-eight thousand, eight hundred fifty-eight".