8871666617 has 8 divisors (see below), whose sum is σ = 9704133120. Its totient is φ = 8043525360.

The previous prime is 8871666613. The next prime is 8871666619. The reversal of 8871666617 is 7166661788.

8871666617 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8871666617 - 2² = 8871666613 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8871666611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1077017 + ... + 1085222.

It is an arithmetic number, because the mean of its divisors is an integer number (1213016640).

Almost surely, 2^8871666617 is an apocalyptic number.

It is an amenable number.

8871666617 is a deficient number, since it is larger than the sum of its proper divisors (832466503).

8871666617 is a wasteful number, since it uses less digits than its factorization.

8871666617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2162623.

The product of its digits is 4064256, while the sum is 56.

The square root of 8871666617 is about 94189.5249855312. The cubic root of 8871666617 is about 2070.1496322711.

The spelling of 8871666617 in words is "eight billion, eight hundred seventy-one million, six hundred sixty-six thousand, six hundred seventeen".