268845377 has 2 divisors, whose sum is σ = 268845378. Its totient is φ = 268845376.

The previous prime is 268845371. The next prime is 268845389. The reversal of 268845377 is 773548862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 226321936 + 42523441 = 15044^2 + 6521^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268845377 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (268845371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134422688 + 134422689.

It is an arithmetic number, because the mean of its divisors is an integer number (134422689).

Almost surely, 2^268845377 is an apocalyptic number.

It is an amenable number.

268845377 is a deficient number, since it is larger than the sum of its proper divisors (1).

268845377 is an equidigital number, since it uses as much as digits as its factorization.

268845377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2257920, while the sum is 50.

The square root of 268845377 is about 16396.5050239373. The cubic root of 268845377 is about 645.4077721163.

The spelling of 268845377 in words is "two hundred sixty-eight million, eight hundred forty-five thousand, three hundred seventy-seven".