8613966858 has 80 divisors (see below), whose sum is σ = 20375863296. Its totient is φ = 2427122880.

The previous prime is 8613966833. The next prime is 8613966859. The reversal of 8613966858 is 8586693168.

It is not an unprimeable number, because it can be changed into a prime (8613966859) 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 39 ways as a sum of consecutive naturals, for example, 1047543 + ... + 1055733.

Almost surely, 2^8613966858 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8613966858, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10187931648).

8613966858 is an abundant number, since it is smaller than the sum of its proper divisors (11761896438).

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

8613966858 is an equidigital number, since it uses as much as digits as its factorization.

8613966858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8297 (or 8276 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 60.

The square root of 8613966858 is about 92811.4586567844. The cubic root of 8613966858 is about 2049.9081345310.

The spelling of 8613966858 in words is "eight billion, six hundred thirteen million, nine hundred sixty-six thousand, eight hundred fifty-eight".