268305161879 has 2 divisors, whose sum is σ = 268305161880. Its totient is φ = 268305161878.

The previous prime is 268305161869. The next prime is 268305161893. The reversal of 268305161879 is 978161503862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 268305161879 - 2⁴ = 268305161863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268305161849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134152580939 + 134152580940.

It is an arithmetic number, because the mean of its divisors is an integer number (134152580940).

Almost surely, 2^268305161879 is an apocalyptic number.

268305161879 is a deficient number, since it is larger than the sum of its proper divisors (1).

268305161879 is an equidigital number, since it uses as much as digits as its factorization.

268305161879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4354560, while the sum is 56.

The spelling of 268305161879 in words is "two hundred sixty-eight billion, three hundred five million, one hundred sixty-one thousand, eight hundred seventy-nine".