84868459 has 16 divisors (see below), whose sum is σ = 100396800. Its totient is φ = 70985376.

The previous prime is 84868457. The next prime is 84868477. The reversal of 84868459 is 95486848.

It is a cyclic number.

It is not a de Polignac number, because 84868459 - 2¹ = 84868457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84868453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1789 + ... + 13150.

It is an arithmetic number, because the mean of its divisors is an integer number (6274800).

Almost surely, 2^84868459 is an apocalyptic number.

84868459 is a deficient number, since it is larger than the sum of its proper divisors (15528341).

84868459 is a wasteful number, since it uses less digits than its factorization.

84868459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14994.

The product of its digits is 2211840, while the sum is 52.

The square root of 84868459 is about 9212.4078828502. The cubic root of 84868459 is about 439.4560409508.

The spelling of 84868459 in words is "eighty-four million, eight hundred sixty-eight thousand, four hundred fifty-nine".