83439199 has 2 divisors, whose sum is σ = 83439200. Its totient is φ = 83439198.

The previous prime is 83439143. The next prime is 83439217. The reversal of 83439199 is 99193438.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83439199 - 2¹⁵ = 83406431 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83439299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41719599 + 41719600.

It is an arithmetic number, because the mean of its divisors is an integer number (41719600).

Almost surely, 2^83439199 is an apocalyptic number.

83439199 is a deficient number, since it is larger than the sum of its proper divisors (1).

83439199 is an equidigital number, since it uses as much as digits as its factorization.

83439199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 209952, while the sum is 46.

The square root of 83439199 is about 9134.5059527048. The cubic root of 83439199 is about 436.9751184545.

It can be divided in two parts, 83439 and 199, that added together give a palindrome (83638).

The spelling of 83439199 in words is "eighty-three million, four hundred thirty-nine thousand, one hundred ninety-nine".