8445866286 has 64 divisors (see below), whose sum is σ = 20067989760. Its totient is φ = 2335914240.

The previous prime is 8445866267. The next prime is 8445866291. The reversal of 8445866286 is 6826685448.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21061 + ... + 131663.

It is an arithmetic number, because the mean of its divisors is an integer number (313562340).

Almost surely, 2^8445866286 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8445866286, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10033994880).

8445866286 is an abundant number, since it is smaller than the sum of its proper divisors (11622123474).

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

8445866286 is a wasteful number, since it uses less digits than its factorization.

8445866286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110721.

The product of its digits is 17694720, while the sum is 57.

The square root of 8445866286 is about 91901.3943637418. The cubic root of 8445866286 is about 2036.4858670317.

The spelling of 8445866286 in words is "eight billion, four hundred forty-five million, eight hundred sixty-six thousand, two hundred eighty-six".