8549858859 has 8 divisors (see below), whose sum is σ = 11436234192. Its totient is φ = 5681694720.

The previous prime is 8549858857. The next prime is 8549858893. The reversal of 8549858859 is 9588589458.

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

It is not a de Polignac number, because 8549858859 - 2¹ = 8549858857 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8549858793 and 8549858802.

It is not an unprimeable number, because it can be changed into a prime (8549858857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4551702 + ... + 4553579.

It is an arithmetic number, because the mean of its divisors is an integer number (1429529274).

Almost surely, 2^8549858859 is an apocalyptic number.

8549858859 is a deficient number, since it is larger than the sum of its proper divisors (2886375333).

8549858859 is a wasteful number, since it uses less digits than its factorization.

8549858859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9105597.

The product of its digits is 165888000, while the sum is 69.

The square root of 8549858859 is about 92465.4468382649. The cubic root of 8549858859 is about 2044.8101009893.

The spelling of 8549858859 in words is "eight billion, five hundred forty-nine million, eight hundred fifty-eight thousand, eight hundred fifty-nine".