84338719 has 2 divisors, whose sum is σ = 84338720. Its totient is φ = 84338718.

The previous prime is 84338713. The next prime is 84338731. The reversal of 84338719 is 91783348.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84338719 - 2¹³ = 84330527 is a prime.

It is a super-2 number, since 2×84338719² = 14226039045121922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84338713) 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, 42169359 + 42169360.

It is an arithmetic number, because the mean of its divisors is an integer number (42169360).

Almost surely, 2^84338719 is an apocalyptic number.

84338719 is a deficient number, since it is larger than the sum of its proper divisors (1).

84338719 is an equidigital number, since it uses as much as digits as its factorization.

84338719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 43.

The square root of 84338719 is about 9183.6114355955. The cubic root of 84338719 is about 438.5397857709.

The spelling of 84338719 in words is "eighty-four million, three hundred thirty-eight thousand, seven hundred nineteen".