84499523 has 2 divisors, whose sum is σ = 84499524. Its totient is φ = 84499522.

The previous prime is 84499501. The next prime is 84499553. The reversal of 84499523 is 32599448.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84499523 - 2⁸ = 84499267 is a prime.

It is not a weakly prime, because it can be changed into another prime (84499553) 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, 42249761 + 42249762.

It is an arithmetic number, because the mean of its divisors is an integer number (42249762).

Almost surely, 2^84499523 is an apocalyptic number.

84499523 is a deficient number, since it is larger than the sum of its proper divisors (1).

84499523 is an equidigital number, since it uses as much as digits as its factorization.

84499523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 44.

The square root of 84499523 is about 9192.3622100089. The cubic root of 84499523 is about 438.8183220579.

The spelling of 84499523 in words is "eighty-four million, four hundred ninety-nine thousand, five hundred twenty-three".