84257359 has 2 divisors, whose sum is σ = 84257360. Its totient is φ = 84257358.

The previous prime is 84257357. The next prime is 84257377. The reversal of 84257359 is 95375248.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84257359 - 2¹ = 84257357 is a prime.

Together with 84257357, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84257351) 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, 42128679 + 42128680.

It is an arithmetic number, because the mean of its divisors is an integer number (42128680).

Almost surely, 2^84257359 is an apocalyptic number.

84257359 is a deficient number, since it is larger than the sum of its proper divisors (1).

84257359 is an equidigital number, since it uses as much as digits as its factorization.

84257359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 302400, while the sum is 43.

The square root of 84257359 is about 9179.1807368632. The cubic root of 84257359 is about 438.3987233316.

The spelling of 84257359 in words is "eighty-four million, two hundred fifty-seven thousand, three hundred fifty-nine".