86680265500205 has 32 divisors (see below), whose sum is σ = 112152009811968. Its totient is φ = 63933246432000.

The previous prime is 86680265500189. The next prime is 86680265500237. The reversal of 86680265500205 is 50200556208668.

It is a happy number.

It is not a de Polignac number, because 86680265500205 - 2⁴ = 86680265500189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 344558927 + ... + 344810403.

It is an arithmetic number, because the mean of its divisors is an integer number (3504750306624).

Almost surely, 2^{86680265500205} is an apocalyptic number.

It is an amenable number.

86680265500205 is a deficient number, since it is larger than the sum of its proper divisors (25471744311763).

86680265500205 is a wasteful number, since it uses less digits than its factorization.

86680265500205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257837.

The product of its (nonzero) digits is 6912000, while the sum is 53.

The spelling of 86680265500205 in words is "eighty-six trillion, six hundred eighty billion, two hundred sixty-five million, five hundred thousand, two hundred five".