86856465868 has 12 divisors (see below), whose sum is σ = 152081842192. Its totient is φ = 43404510960.

The previous prime is 86856465853. The next prime is 86856465937.

86856465868 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 86856465797 and 86856465806.

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, 5922255 + ... + 5936902.

Almost surely, 2^86856465868 is an apocalyptic number.

It is an amenable number.

86856465868 is a deficient number, since it is larger than the sum of its proper divisors (65225376324).

86856465868 is a wasteful number, since it uses less digits than its factorization.

86856465868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11860992 (or 11860990 counting only the distinct ones).

The product of its digits is 530841600, while the sum is 70.

The spelling of 86856465868 in words is "eighty-six billion, eight hundred fifty-six million, four hundred sixty-five thousand, eight hundred sixty-eight".