86218466678 has 16 divisors (see below), whose sum is σ = 136799287776. Its totient is φ = 40670055360.

The previous prime is 86218466669. The next prime is 86218466683. The reversal of 86218466678 is 87666481268.

It is a self number, because there is not a number n which added to its sum of digits gives 86218466678.

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, 12834413 + ... + 12841128.

It is an arithmetic number, because the mean of its divisors is an integer number (8549955486).

Almost surely, 2^86218466678 is an apocalyptic number.

86218466678 is a deficient number, since it is larger than the sum of its proper divisors (50580821098).

86218466678 is a wasteful number, since it uses less digits than its factorization.

86218466678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25675639.

The product of its digits is 37158912, while the sum is 62.

The spelling of 86218466678 in words is "eighty-six billion, two hundred eighteen million, four hundred sixty-six thousand, six hundred seventy-eight".