86686136198 has 4 divisors (see below), whose sum is σ = 130029204300. Its totient is φ = 43343068098.

The previous prime is 86686136167. The next prime is 86686136209. The reversal of 86686136198 is 89163168668.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 86686136198.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21671534048 + ... + 21671534051.

It is an arithmetic number, because the mean of its divisors is an integer number (32507301075).

Almost surely, 2^86686136198 is an apocalyptic number.

86686136198 is a deficient number, since it is larger than the sum of its proper divisors (43343068102).

86686136198 is a wasteful number, since it uses less digits than its factorization.

86686136198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43343068101.

The product of its digits is 17915904, while the sum is 62.

The spelling of 86686136198 in words is "eighty-six billion, six hundred eighty-six million, one hundred thirty-six thousand, one hundred ninety-eight".