84227959 has 2 divisors, whose sum is σ = 84227960. Its totient is φ = 84227958.

The previous prime is 84227933. The next prime is 84227963. The reversal of 84227959 is 95972248.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84227959 - 2¹⁵ = 84195191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84227929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42113979 + 42113980.

It is an arithmetic number, because the mean of its divisors is an integer number (42113980).

Almost surely, 2^84227959 is an apocalyptic number.

84227959 is a deficient number, since it is larger than the sum of its proper divisors (1).

84227959 is an equidigital number, since it uses as much as digits as its factorization.

84227959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 46.

The square root of 84227959 is about 9177.5791470300. The cubic root of 84227959 is about 438.3477271060.

The spelling of 84227959 in words is "eighty-four million, two hundred twenty-seven thousand, nine hundred fifty-nine".