84098563 has 2 divisors, whose sum is σ = 84098564. Its totient is φ = 84098562.

The previous prime is 84098551. The next prime is 84098591. The reversal of 84098563 is 36589048.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84098563 is a prime.

It is not a weakly prime, because it can be changed into another prime (84098513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42049281 + 42049282.

It is an arithmetic number, because the mean of its divisors is an integer number (42049282).

Almost surely, 2^84098563 is an apocalyptic number.

84098563 is a deficient number, since it is larger than the sum of its proper divisors (1).

84098563 is an equidigital number, since it uses as much as digits as its factorization.

84098563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 84098563 is about 9170.5268659985. The cubic root of 84098563 is about 438.1231401092.

The spelling of 84098563 in words is "eighty-four million, ninety-eight thousand, five hundred sixty-three".