86668318579 has 8 divisors (see below), whose sum is σ = 92115381600. Its totient is φ = 81260025216.

The previous prime is 86668318567. The next prime is 86668318609. The reversal of 86668318579 is 97581386668.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86668318579 is a prime.

It is a super-2 number, since 2×86668318579² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86668313579) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9687804 + ... + 9696745.

It is an arithmetic number, because the mean of its divisors is an integer number (11514422700).

Almost surely, 2^86668318579 is an apocalyptic number.

86668318579 is a deficient number, since it is larger than the sum of its proper divisors (5447063021).

86668318579 is a wasteful number, since it uses less digits than its factorization.

86668318579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19384829.

The product of its digits is 104509440, while the sum is 67.

The spelling of 86668318579 in words is "eighty-six billion, six hundred sixty-eight million, three hundred eighteen thousand, five hundred seventy-nine".