86606014805281 has 2 divisors, whose sum is σ = 86606014805282. Its totient is φ = 86606014805280.

The previous prime is 86606014805257. The next prime is 86606014805309. The reversal of 86606014805281 is 18250841060668.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63092583431056 + 23513431374225 = 7943084^2 + 4849065^2 .

It is a cyclic number.

It is not a de Polignac number, because 86606014805281 - 2⁷ = 86606014805153 is a prime.

It is a super-2 number, since 2×86606014805281² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (86606014805221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43303007402640 + 43303007402641.

It is an arithmetic number, because the mean of its divisors is an integer number (43303007402641).

Almost surely, 2^{86606014805281} is an apocalyptic number.

It is an amenable number.

86606014805281 is a deficient number, since it is larger than the sum of its proper divisors (1).

86606014805281 is an equidigital number, since it uses as much as digits as its factorization.

86606014805281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4423680, while the sum is 55.

The spelling of 86606014805281 in words is "eighty-six trillion, six hundred six billion, fourteen million, eight hundred five thousand, two hundred eighty-one".