168773379839 has 2 divisors, whose sum is σ = 168773379840. Its totient is φ = 168773379838.

The previous prime is 168773379833. The next prime is 168773379869. The reversal of 168773379839 is 938973377861.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-168773379839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168773379833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84386689919 + 84386689920.

It is an arithmetic number, because the mean of its divisors is an integer number (84386689920).

Almost surely, 2^168773379839 is an apocalyptic number.

168773379839 is a deficient number, since it is larger than the sum of its proper divisors (1).

168773379839 is an equidigital number, since it uses as much as digits as its factorization.

168773379839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288054144, while the sum is 71.

The spelling of 168773379839 in words is "one hundred sixty-eight billion, seven hundred seventy-three million, three hundred seventy-nine thousand, eight hundred thirty-nine".