86681353486684 has 72 divisors (see below), whose sum is σ = 172612538002800. Its totient is φ = 38014013452800.

The previous prime is 86681353486669. The next prime is 86681353486759. The reversal of 86681353486684 is 48668435318668.

It is a self number, because there is not a number n which added to its sum of digits gives 86681353486684.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16834207 + ... + 21371785.

It is an arithmetic number, because the mean of its divisors is an integer number (2397396361150).

Almost surely, 2^{86681353486684} is an apocalyptic number.

It is an amenable number.

86681353486684 is a deficient number, since it is larger than the sum of its proper divisors (85931184516116).

86681353486684 is a wasteful number, since it uses less digits than its factorization.

86681353486684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4538995 (or 4538982 counting only the distinct ones).

The product of its digits is 3822059520, while the sum is 76.

The spelling of 86681353486684 in words is "eighty-six trillion, six hundred eighty-one billion, three hundred fifty-three million, four hundred eighty-six thousand, six hundred eighty-four".