83366343917 has 2 divisors, whose sum is σ = 83366343918. Its totient is φ = 83366343916.

The previous prime is 83366343857. The next prime is 83366343919. The reversal of 83366343917 is 71934366338.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79949824516 + 3416519401 = 282754^2 + 58451^2 .

It is a cyclic number.

It is not a de Polignac number, because 83366343917 - 2⁸ = 83366343661 is a prime.

Together with 83366343919, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83366343919) 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, 41683171958 + 41683171959.

It is an arithmetic number, because the mean of its divisors is an integer number (41683171959).

Almost surely, 2^83366343917 is an apocalyptic number.

It is an amenable number.

83366343917 is a deficient number, since it is larger than the sum of its proper divisors (1).

83366343917 is an equidigital number, since it uses as much as digits as its factorization.

83366343917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5878656, while the sum is 53.

The spelling of 83366343917 in words is "eighty-three billion, three hundred sixty-six million, three hundred forty-three thousand, nine hundred seventeen".