86666666668 has 12 divisors (see below), whose sum is σ = 155193798760. Its totient is φ = 42325581312.

The previous prime is 86666666659. The next prime is 86666666687.

86666666668 is nontrivially palindromic in base 10.

It is a super-4 number, since 4×86666666668⁴ (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 86666666597 and 86666666606.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251937813 + ... + 251938156.

Almost surely, 2^86666666668 is an apocalyptic number.

It is an amenable number.

86666666668 is a deficient number, since it is larger than the sum of its proper divisors (68527132092).

86666666668 is a wasteful number, since it uses less digits than its factorization.

86666666668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503876016 (or 503876014 counting only the distinct ones).

The product of its digits is 644972544, while the sum is 70.

The spelling of 86666666668 in words is "eighty-six billion, six hundred sixty-six million, six hundred sixty-six thousand, six hundred sixty-eight".