86686068668 has 12 divisors (see below), whose sum is σ = 151702914552. Its totient is φ = 43342378800.

The previous prime is 86686068641. The next prime is 86686068691.

86686068668 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×86686068668² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 86686068598 and 86686068607.

It is a congruent number.

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, 249518 + ... + 485418.

It is an arithmetic number, because the mean of its divisors is an integer number (12641909546).

Almost surely, 2^86686068668 is an apocalyptic number.

It is an amenable number.

86686068668 is a deficient number, since it is larger than the sum of its proper divisors (65016845884).

86686068668 is a wasteful number, since it uses less digits than its factorization.

86686068668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327772 (or 327770 counting only the distinct ones).

The product of its (nonzero) digits is 191102976, while the sum is 68.

The spelling of 86686068668 in words is "eighty-six billion, six hundred eighty-six million, sixty-eight thousand, six hundred sixty-eight".