86547066014861 has 2 divisors, whose sum is σ = 86547066014862. Its totient is φ = 86547066014860.

The previous prime is 86547066014833. The next prime is 86547066014897. The reversal of 86547066014861 is 16841066074568.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77227362168100 + 9319703846761 = 8787910^2 + 3052819^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86547066014861 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86547066014794 and 86547066014803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86547066014821) 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, 43273533007430 + 43273533007431.

It is an arithmetic number, because the mean of its divisors is an integer number (43273533007431).

Almost surely, 2^{86547066014861} is an apocalyptic number.

It is an amenable number.

86547066014861 is a deficient number, since it is larger than the sum of its proper divisors (1).

86547066014861 is an equidigital number, since it uses as much as digits as its factorization.

86547066014861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46448640, while the sum is 62.

The spelling of 86547066014861 in words is "eighty-six trillion, five hundred forty-seven billion, sixty-six million, fourteen thousand, eight hundred sixty-one".