8142666227 has 4 divisors (see below), whose sum is σ = 8142968856. Its totient is φ = 8142363600.

The previous prime is 8142666223. The next prime is 8142666247. The reversal of 8142666227 is 7226662418.

8142666227 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8142666227 - 2² = 8142666223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8142666223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106538 + ... + 166239.

It is an arithmetic number, because the mean of its divisors is an integer number (2035742214).

Almost surely, 2^8142666227 is an apocalyptic number.

8142666227 is a deficient number, since it is larger than the sum of its proper divisors (302629).

8142666227 is a wasteful number, since it uses less digits than its factorization.

8142666227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302628.

The product of its digits is 387072, while the sum is 44.

The square root of 8142666227 is about 90236.7232727341. The cubic root of 8142666227 is about 2011.8188718073.

The spelling of 8142666227 in words is "eight billion, one hundred forty-two million, six hundred sixty-six thousand, two hundred twenty-seven".