85338499 has 2 divisors, whose sum is σ = 85338500. Its totient is φ = 85338498.

The previous prime is 85338497. The next prime is 85338529. The reversal of 85338499 is 99483358.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85338499 - 2¹ = 85338497 is a prime.

Together with 85338497, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (85338497) 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, 42669249 + 42669250.

It is an arithmetic number, because the mean of its divisors is an integer number (42669250).

Almost surely, 2^85338499 is an apocalyptic number.

85338499 is a deficient number, since it is larger than the sum of its proper divisors (1).

85338499 is an equidigital number, since it uses as much as digits as its factorization.

85338499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 933120, while the sum is 49.

The square root of 85338499 is about 9237.8839027128. The cubic root of 85338499 is about 440.2658500148.

The spelling of 85338499 in words is "eighty-five million, three hundred thirty-eight thousand, four hundred ninety-nine".