83289799 has 2 divisors, whose sum is σ = 83289800. Its totient is φ = 83289798.

The previous prime is 83289797. The next prime is 83289809. The reversal of 83289799 is 99798238.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83289799 - 2¹ = 83289797 is a prime.

It is a super-3 number, since 3×83289799³ (a number of 25 digits) contains 333 as substring.

Together with 83289797, 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 (83289797) 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, 41644899 + 41644900.

It is an arithmetic number, because the mean of its divisors is an integer number (41644900).

Almost surely, 2^83289799 is an apocalyptic number.

83289799 is a deficient number, since it is larger than the sum of its proper divisors (1).

83289799 is an equidigital number, since it uses as much as digits as its factorization.

83289799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1959552, while the sum is 55.

The square root of 83289799 is about 9126.3245066127. The cubic root of 83289799 is about 436.7141576329.

The spelling of 83289799 in words is "eighty-three million, two hundred eighty-nine thousand, seven hundred ninety-nine".