86684406886 has 64 divisors (see below), whose sum is σ = 171905587200. Its totient is φ = 31738613760.

The previous prime is 86684406847. The next prime is 86684406899. The reversal of 86684406886 is 68860448668.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1737315 + ... + 1786513.

It is an arithmetic number, because the mean of its divisors is an integer number (2686024800).

Almost surely, 2^86684406886 is an apocalyptic number.

86684406886 is a deficient number, since it is larger than the sum of its proper divisors (85221180314).

86684406886 is a wasteful number, since it uses less digits than its factorization.

86684406886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49909.

The product of its (nonzero) digits is 84934656, while the sum is 64.

The spelling of 86684406886 in words is "eighty-six billion, six hundred eighty-four million, four hundred six thousand, eight hundred eighty-six".