84214547 has 2 divisors, whose sum is σ = 84214548. Its totient is φ = 84214546.

The previous prime is 84214541. The next prime is 84214561. The reversal of 84214547 is 74541248.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84214547 - 2¹⁰ = 84213523 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (84214541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42107273 + 42107274.

It is an arithmetic number, because the mean of its divisors is an integer number (42107274).

Almost surely, 2^84214547 is an apocalyptic number.

84214547 is a deficient number, since it is larger than the sum of its proper divisors (1).

84214547 is an equidigital number, since it uses as much as digits as its factorization.

84214547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35840, while the sum is 35.

The square root of 84214547 is about 9176.8484241596. The cubic root of 84214547 is about 438.3244591719.

The spelling of 84214547 in words is "eighty-four million, two hundred fourteen thousand, five hundred forty-seven".