84549499 has 2 divisors, whose sum is σ = 84549500. Its totient is φ = 84549498.

The previous prime is 84549497. The next prime is 84549523. The reversal of 84549499 is 99494548.

84549499 is nontrivially palindromic in base 3.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84549499 - 2¹ = 84549497 is a prime.

It is a super-3 number, since 3×84549499³ (a number of 25 digits) contains 333 as substring.

Together with 84549497, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (84549497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42274749 + 42274750.

It is an arithmetic number, because the mean of its divisors is an integer number (42274750).

Almost surely, 2^84549499 is an apocalyptic number.

84549499 is a deficient number, since it is larger than the sum of its proper divisors (1).

84549499 is an equidigital number, since it uses as much as digits as its factorization.

84549499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1866240, while the sum is 52.

The square root of 84549499 is about 9195.0801519073. The cubic root of 84549499 is about 438.9048158890.

The spelling of 84549499 in words is "eighty-four million, five hundred forty-nine thousand, four hundred ninety-nine".