8861266806 has 16 divisors (see below), whose sum is σ = 20254324224. Its totient is φ = 2531790504.

The previous prime is 8861266781. The next prime is 8861266829. The reversal of 8861266806 is 6086621688.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105491230 + ... + 105491313.

It is an arithmetic number, because the mean of its divisors is an integer number (1265895264).

Almost surely, 2^8861266806 is an apocalyptic number.

8861266806 is an abundant number, since it is smaller than the sum of its proper divisors (11393057418).

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

8861266806 is a wasteful number, since it uses less digits than its factorization.

8861266806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210982555.

The product of its (nonzero) digits is 1327104, while the sum is 51.

The square root of 8861266806 is about 94134.3019626746. The cubic root of 8861266806 is about 2069.3404050293.

The spelling of 8861266806 in words is "eight billion, eight hundred sixty-one million, two hundred sixty-six thousand, eight hundred six".