84228487241 has 2 divisors, whose sum is σ = 84228487242. Its totient is φ = 84228487240.

The previous prime is 84228487223. The next prime is 84228487271. The reversal of 84228487241 is 14278482248.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83855997241 + 372490000 = 289579^2 + 19300^2 .

It is a cyclic number.

It is not a de Polignac number, because 84228487241 - 2¹⁸ = 84228225097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84228487241.

It is not a weakly prime, because it can be changed into another prime (84228487271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42114243620 + 42114243621.

It is an arithmetic number, because the mean of its divisors is an integer number (42114243621).

Almost surely, 2^84228487241 is an apocalyptic number.

It is an amenable number.

84228487241 is a deficient number, since it is larger than the sum of its proper divisors (1).

84228487241 is an equidigital number, since it uses as much as digits as its factorization.

84228487241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1835008, while the sum is 50.

The spelling of 84228487241 in words is "eighty-four billion, two hundred twenty-eight million, four hundred eighty-seven thousand, two hundred forty-one".