86857334186 has 16 divisors (see below), whose sum is σ = 148902174720. Its totient is φ = 37223599920.

The previous prime is 86857334177. The next prime is 86857334197. The reversal of 86857334186 is 68143375868.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 820055 + ... + 919893.

It is an arithmetic number, because the mean of its divisors is an integer number (9306385920).

Almost surely, 2^86857334186 is an apocalyptic number.

86857334186 is a deficient number, since it is larger than the sum of its proper divisors (62044840534).

86857334186 is a wasteful number, since it uses less digits than its factorization.

86857334186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161989.

The product of its digits is 23224320, while the sum is 59.

The spelling of 86857334186 in words is "eighty-six billion, eight hundred fifty-seven million, three hundred thirty-four thousand, one hundred eighty-six".