8666488271 has 4 divisors (see below), whose sum is σ = 9904558032. Its totient is φ = 7428418512.

The previous prime is 8666488211. The next prime is 8666488279. The reversal of 8666488271 is 1728846668.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8666488271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8666488279) 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, 619034870 + ... + 619034883.

It is an arithmetic number, because the mean of its divisors is an integer number (2476139508).

Almost surely, 2^8666488271 is an apocalyptic number.

8666488271 is a deficient number, since it is larger than the sum of its proper divisors (1238069761).

8666488271 is a wasteful number, since it uses less digits than its factorization.

8666488271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238069760.

The product of its digits is 6193152, while the sum is 56.

The square root of 8666488271 is about 93093.9754817679. The cubic root of 8666488271 is about 2054.0659553461.

The spelling of 8666488271 in words is "eight billion, six hundred sixty-six million, four hundred eighty-eight thousand, two hundred seventy-one".