86606436866085 has 64 divisors (see below), whose sum is σ = 157724904879360. Its totient is φ = 45062765199360.

The previous prime is 86606436866083. The next prime is 86606436866101. The reversal of 86606436866085 is 58066863460668.

86606436866085 is a `hidden beast` number, since 8 + 6 + 6 + 0 + 6 + 4 + 3 + 6 + 8 + 6 + 608 + 5 = 666.

It is not a de Polignac number, because 86606436866085 - 2¹ = 86606436866083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86606436866083) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 529158274 + ... + 529321916.

It is an arithmetic number, because the mean of its divisors is an integer number (2464451638740).

Almost surely, 2^{86606436866085} is an apocalyptic number.

It is an amenable number.

86606436866085 is a deficient number, since it is larger than the sum of its proper divisors (71118468013275).

86606436866085 is a wasteful number, since it uses less digits than its factorization.

86606436866085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259315 (or 259309 counting only the distinct ones).

The product of its (nonzero) digits is 1433272320, while the sum is 72.

The spelling of 86606436866085 in words is "eighty-six trillion, six hundred six billion, four hundred thirty-six million, eight hundred sixty-six thousand, eighty-five".