83533399 has 2 divisors, whose sum is σ = 83533400. Its totient is φ = 83533398.

The previous prime is 83533397. The next prime is 83533451. The reversal of 83533399 is 99333538.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83533399 - 2¹ = 83533397 is a prime.

Together with 83533397, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83533397) 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, 41766699 + 41766700.

It is an arithmetic number, because the mean of its divisors is an integer number (41766700).

Almost surely, 2^83533399 is an apocalyptic number.

83533399 is a deficient number, since it is larger than the sum of its proper divisors (1).

83533399 is an equidigital number, since it uses as much as digits as its factorization.

83533399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 262440, while the sum is 43.

The square root of 83533399 is about 9139.6607705100. The cubic root of 83533399 is about 437.1394999274.

The spelling of 83533399 in words is "eighty-three million, five hundred thirty-three thousand, three hundred ninety-nine".