86605630138843 has 2 divisors, whose sum is σ = 86605630138844. Its totient is φ = 86605630138842.

The previous prime is 86605630138793. The next prime is 86605630138903. The reversal of 86605630138843 is 34883103650668.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86605630138843 - 2⁹ = 86605630138331 is a prime.

It is not a weakly prime, because it can be changed into another prime (86605630132843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43302815069421 + 43302815069422.

It is an arithmetic number, because the mean of its divisors is an integer number (43302815069422).

Almost surely, 2^{86605630138843} is an apocalyptic number.

86605630138843 is a deficient number, since it is larger than the sum of its proper divisors (1).

86605630138843 is an equidigital number, since it uses as much as digits as its factorization.

86605630138843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 59719680, while the sum is 61.

The spelling of 86605630138843 in words is "eighty-six trillion, six hundred five billion, six hundred thirty million, one hundred thirty-eight thousand, eight hundred forty-three".