84288271 has 2 divisors, whose sum is σ = 84288272. Its totient is φ = 84288270.

The previous prime is 84288263. The next prime is 84288301. The reversal of 84288271 is 17288248.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84288271 - 2³ = 84288263 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84288371) 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, 42144135 + 42144136.

It is an arithmetic number, because the mean of its divisors is an integer number (42144136).

Almost surely, 2^84288271 is an apocalyptic number.

84288271 is a deficient number, since it is larger than the sum of its proper divisors (1).

84288271 is an equidigital number, since it uses as much as digits as its factorization.

84288271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57344, while the sum is 40.

The square root of 84288271 is about 9180.8643928554. The cubic root of 84288271 is about 438.4523294283.

The spelling of 84288271 in words is "eighty-four million, two hundred eighty-eight thousand, two hundred seventy-one".