83508959 has 2 divisors, whose sum is σ = 83508960. Its totient is φ = 83508958.

The previous prime is 83508917. The next prime is 83509031. The reversal of 83508959 is 95980538.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83508959 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 (83508259) 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, 41754479 + 41754480.

It is an arithmetic number, because the mean of its divisors is an integer number (41754480).

Almost surely, 2^83508959 is an apocalyptic number.

83508959 is a deficient number, since it is larger than the sum of its proper divisors (1).

83508959 is an equidigital number, since it uses as much as digits as its factorization.

83508959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 47.

The square root of 83508959 is about 9138.3236427695. The cubic root of 83508959 is about 437.0968633628.

The spelling of 83508959 in words is "eighty-three million, five hundred eight thousand, nine hundred fifty-nine".