86605632205643 has 2 divisors, whose sum is σ = 86605632205644. Its totient is φ = 86605632205642.

The previous prime is 86605632205591. The next prime is 86605632205663. The reversal of 86605632205643 is 34650223650668.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86605632205643 - 2¹⁶ = 86605632140107 is a prime.

It is not a weakly prime, because it can be changed into another prime (86605632205663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43302816102821 + 43302816102822.

It is an arithmetic number, because the mean of its divisors is an integer number (43302816102822).

Almost surely, 2^{86605632205643} is an apocalyptic number.

86605632205643 is a deficient number, since it is larger than the sum of its proper divisors (1).

86605632205643 is an equidigital number, since it uses as much as digits as its factorization.

86605632205643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37324800, while the sum is 56.

The spelling of 86605632205643 in words is "eighty-six trillion, six hundred five billion, six hundred thirty-two million, two hundred five thousand, six hundred forty-three".