86668310586 has 256 divisors, whose sum is σ = 215151552000. Its totient is φ = 22914662400.

The previous prime is 86668310549. The next prime is 86668310621. The reversal of 86668310586 is 68501386668.

It is a super-2 number, since 2×86668310586² (a number of 23 digits) contains 22 as substring.

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 127 ways as a sum of consecutive naturals, for example, 359619426 + ... + 359619666.

It is an arithmetic number, because the mean of its divisors is an integer number (840435750).

Almost surely, 2^86668310586 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86668310586, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107575776000).

86668310586 is an abundant number, since it is smaller than the sum of its proper divisors (128483241414).

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

86668310586 is a wasteful number, since it uses less digits than its factorization.

86668310586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545.

The product of its (nonzero) digits is 9953280, while the sum is 57.

The spelling of 86668310586 in words is "eighty-six billion, six hundred sixty-eight million, three hundred ten thousand, five hundred eighty-six".