86926517868 has 12 divisors (see below), whose sum is σ = 202828541720. Its totient is φ = 28975505952.

The previous prime is 86926517831. The next prime is 86926517897. The reversal of 86926517868 is 86871562968.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 86926517799 and 86926517808.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3621938233 + ... + 3621938256.

Almost surely, 2^86926517868 is an apocalyptic number.

It is an amenable number.

86926517868 is an abundant number, since it is smaller than the sum of its proper divisors (115902023852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86926517868 is a wasteful number, since it uses less digits than its factorization.

86926517868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7243876496 (or 7243876494 counting only the distinct ones).

The product of its digits is 69672960, while the sum is 66.

The spelling of 86926517868 in words is "eighty-six billion, nine hundred twenty-six million, five hundred seventeen thousand, eight hundred sixty-eight".