86686905911 has 2 divisors, whose sum is σ = 86686905912. Its totient is φ = 86686905910.

The previous prime is 86686905863. The next prime is 86686905983. The reversal of 86686905911 is 11950968668.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86686905911 - 2⁶ = 86686905847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86686908911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43343452955 + 43343452956.

It is an arithmetic number, because the mean of its divisors is an integer number (43343452956).

Almost surely, 2^86686905911 is an apocalyptic number.

86686905911 is a deficient number, since it is larger than the sum of its proper divisors (1).

86686905911 is an equidigital number, since it uses as much as digits as its factorization.

86686905911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5598720, while the sum is 59.

The spelling of 86686905911 in words is "eighty-six billion, six hundred eighty-six million, nine hundred five thousand, nine hundred eleven".