858863368858 has 8 divisors (see below), whose sum is σ = 1405412785440. Its totient is φ = 390392440380.

The previous prime is 858863368849. The next prime is 858863368861.

858863368858 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×858863368858² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19519621998 + ... + 19519622041.

It is an arithmetic number, because the mean of its divisors is an integer number (175676598180).

Almost surely, 2^858863368858 is an apocalyptic number.

858863368858 is a deficient number, since it is larger than the sum of its proper divisors (546549416582).

858863368858 is a wasteful number, since it uses less digits than its factorization.

858863368858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39039244052.

The product of its digits is 2123366400, while the sum is 76.

The spelling of 858863368858 in words is "eight hundred fifty-eight billion, eight hundred sixty-three million, three hundred sixty-eight thousand, eight hundred fifty-eight".