83347879 has 2 divisors, whose sum is σ = 83347880. Its totient is φ = 83347878.

The previous prime is 83347867. The next prime is 83347903. The reversal of 83347879 is 97874338.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83347879 - 2⁷ = 83347751 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 (83347829) 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, 41673939 + 41673940.

It is an arithmetic number, because the mean of its divisors is an integer number (41673940).

Almost surely, 2^83347879 is an apocalyptic number.

83347879 is a deficient number, since it is larger than the sum of its proper divisors (1).

83347879 is an equidigital number, since it uses as much as digits as its factorization.

83347879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 49.

The square root of 83347879 is about 9129.5059559650. The cubic root of 83347879 is about 436.8156445102.

The spelling of 83347879 in words is "eighty-three million, three hundred forty-seven thousand, eight hundred seventy-nine".