8204668481987 has 2 divisors, whose sum is σ = 8204668481988. Its totient is φ = 8204668481986.

The previous prime is 8204668481921. The next prime is 8204668482077. The reversal of 8204668481987 is 7891848664028.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8204668481987 - 2¹⁴ = 8204668465603 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8204668481987.

It is not a weakly prime, because it can be changed into another prime (8204664481987) 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, 4102334240993 + 4102334240994.

It is an arithmetic number, because the mean of its divisors is an integer number (4102334240994).

Almost surely, 2^{8204668481987} is an apocalyptic number.

8204668481987 is a deficient number, since it is larger than the sum of its proper divisors (1).

8204668481987 is an equidigital number, since it uses as much as digits as its factorization.

8204668481987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 297271296, while the sum is 71.

The spelling of 8204668481987 in words is "eight trillion, two hundred four billion, six hundred sixty-eight million, four hundred eighty-one thousand, nine hundred eighty-seven".