84965459 has 2 divisors, whose sum is σ = 84965460. Its totient is φ = 84965458.

The previous prime is 84965449. The next prime is 84965471. The reversal of 84965459 is 95456948.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84965459 - 2⁴ = 84965443 is a prime.

It is a Sophie Germain prime.

It is a plaindrome in base 12.

It is not a weakly prime, because it can be changed into another prime (84965449) 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, 42482729 + 42482730.

It is an arithmetic number, because the mean of its divisors is an integer number (42482730).

Almost surely, 2^84965459 is an apocalyptic number.

84965459 is a deficient number, since it is larger than the sum of its proper divisors (1).

84965459 is an equidigital number, since it uses as much as digits as its factorization.

84965459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1555200, while the sum is 50.

The square root of 84965459 is about 9217.6710182128. The cubic root of 84965459 is about 439.6234019335.

The spelling of 84965459 in words is "eighty-four million, nine hundred sixty-five thousand, four hundred fifty-nine".