84116519 has 2 divisors, whose sum is σ = 84116520. Its totient is φ = 84116518.

The previous prime is 84116489. The next prime is 84116521. The reversal of 84116519 is 91561148.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84116519 - 2¹² = 84112423 is a prime.

It is a super-2 number, since 2×84116519² = 14151177537354722, which contains 22 as substring.

Together with 84116521, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84116419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42058259 + 42058260.

It is an arithmetic number, because the mean of its divisors is an integer number (42058260).

Almost surely, 2^84116519 is an apocalyptic number.

84116519 is a deficient number, since it is larger than the sum of its proper divisors (1).

84116519 is an equidigital number, since it uses as much as digits as its factorization.

84116519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 35.

The square root of 84116519 is about 9171.5058196569. The cubic root of 84116519 is about 438.1543193152.

The spelling of 84116519 in words is "eighty-four million, one hundred sixteen thousand, five hundred nineteen".