84719 has 2 divisors, whose sum is σ = 84720. Its totient is φ = 84718.

The previous prime is 84713. The next prime is 84731. The reversal of 84719 is 91748.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84719 - 2⁸ = 84463 is a prime.

It is a super-2 number, since 2×84719² = 14354617922, which contains 22 as substring.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 84691 and 84700.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84713) 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, 42359 + 42360.

It is an arithmetic number, because the mean of its divisors is an integer number (42360).

2⁸⁴⁷¹⁹ is an apocalyptic number.

84719 is a deficient number, since it is larger than the sum of its proper divisors (1).

84719 is an equidigital number, since it uses as much as digits as its factorization.

84719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 29.

The square root of 84719 is about 291.0652847730. The cubic root of 84719 is about 43.9197918931.

Adding to 84719 its sum of digits (29), we get a palindrome (84748).

The spelling of 84719 in words is "eighty-four thousand, seven hundred nineteen".