83328559 has 2 divisors, whose sum is σ = 83328560. Its totient is φ = 83328558.

The previous prime is 83328541. The next prime is 83328569. The reversal of 83328559 is 95582338.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83328559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83328569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41664279 + 41664280.

It is an arithmetic number, because the mean of its divisors is an integer number (41664280).

Almost surely, 2^83328559 is an apocalyptic number.

83328559 is a deficient number, since it is larger than the sum of its proper divisors (1).

83328559 is an equidigital number, since it uses as much as digits as its factorization.

83328559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200, while the sum is 43.

The square root of 83328559 is about 9128.4477870008. The cubic root of 83328559 is about 436.7818906802.

It can be divided in two parts, 833 and 28559, that added together give a palindrome (29392).

The spelling of 83328559 in words is "eighty-three million, three hundred twenty-eight thousand, five hundred fifty-nine".