86808666044 has 24 divisors (see below), whose sum is σ = 160886156928. Its totient is φ = 40897525680.

The previous prime is 86808666029. The next prime is 86808666073. The reversal of 86808666044 is 44066680868.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7035422 + ... + 7047749.

It is an arithmetic number, because the mean of its divisors is an integer number (6703589872).

Almost surely, 2^86808666044 is an apocalyptic number.

It is an amenable number.

86808666044 is a deficient number, since it is larger than the sum of its proper divisors (74077490884).

86808666044 is a wasteful number, since it uses less digits than its factorization.

86808666044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14083265 (or 14083263 counting only the distinct ones).

The product of its (nonzero) digits is 10616832, while the sum is 56.

The spelling of 86808666044 in words is "eighty-six billion, eight hundred eight million, six hundred sixty-six thousand, forty-four".