83586668538 has 8 divisors (see below), whose sum is σ = 167173337088. Its totient is φ = 27862222844.

The previous prime is 83586668533. The next prime is 83586668551.

83586668538 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

83586668538 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (83586668533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6965555706 + ... + 6965555717.

It is an arithmetic number, because the mean of its divisors is an integer number (20896667136).

Almost surely, 2^83586668538 is an apocalyptic number.

83586668538 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83586668538 is a wasteful number, since it uses less digits than its factorization.

83586668538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13931111428.

The product of its digits is 199065600, while the sum is 66.

The spelling of 83586668538 in words is "eighty-three billion, five hundred eighty-six million, six hundred sixty-eight thousand, five hundred thirty-eight".