858644427134 has 8 divisors (see below), whose sum is σ = 1387040997720. Its totient is φ = 396297427896.

The previous prime is 858644427079. The next prime is 858644427149. The reversal of 858644427134 is 431724446858.

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

It is a self number, because there is not a number n which added to its sum of digits gives 858644427134.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16512392804 + ... + 16512392855.

It is an arithmetic number, because the mean of its divisors is an integer number (173380124715).

Almost surely, 2^858644427134 is an apocalyptic number.

858644427134 is a deficient number, since it is larger than the sum of its proper divisors (528396570586).

858644427134 is a wasteful number, since it uses less digits than its factorization.

858644427134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33024785674.

The product of its digits is 20643840, while the sum is 56.

The spelling of 858644427134 in words is "eight hundred fifty-eight billion, six hundred forty-four million, four hundred twenty-seven thousand, one hundred thirty-four".