86686906476 has 12 divisors (see below), whose sum is σ = 202269448472. Its totient is φ = 28895635488.

The previous prime is 86686906429. The next prime is 86686906483. The reversal of 86686906476 is 67460968668.

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

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, 3611954425 + ... + 3611954448.

Almost surely, 2^86686906476 is an apocalyptic number.

It is an amenable number.

86686906476 is an abundant number, since it is smaller than the sum of its proper divisors (115582541996).

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

86686906476 is a wasteful number, since it uses less digits than its factorization.

86686906476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7223908880 (or 7223908878 counting only the distinct ones).

The product of its (nonzero) digits is 125411328, while the sum is 66.

The spelling of 86686906476 in words is "eighty-six billion, six hundred eighty-six million, nine hundred six thousand, four hundred seventy-six".