84368147 has 2 divisors, whose sum is σ = 84368148. Its totient is φ = 84368146.

The previous prime is 84368131. The next prime is 84368191. The reversal of 84368147 is 74186348.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84368147 - 2⁴ = 84368131 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (84368197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42184073 + 42184074.

It is an arithmetic number, because the mean of its divisors is an integer number (42184074).

Almost surely, 2^84368147 is an apocalyptic number.

84368147 is a deficient number, since it is larger than the sum of its proper divisors (1).

84368147 is an equidigital number, since it uses as much as digits as its factorization.

84368147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129024, while the sum is 41.

The square root of 84368147 is about 9185.2134977909. The cubic root of 84368147 is about 438.5907858661.

The spelling of 84368147 in words is "eighty-four million, three hundred sixty-eight thousand, one hundred forty-seven".