268914577 has 2 divisors, whose sum is σ = 268914578. Its totient is φ = 268914576.

The previous prime is 268914539. The next prime is 268914601. The reversal of 268914577 is 775419862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 186486336 + 82428241 = 13656^2 + 9079^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268914577 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 268914577.

It is not a weakly prime, because it can be changed into another prime (268914077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134457288 + 134457289.

It is an arithmetic number, because the mean of its divisors is an integer number (134457289).

Almost surely, 2^268914577 is an apocalyptic number.

It is an amenable number.

268914577 is a deficient number, since it is larger than the sum of its proper divisors (1).

268914577 is an equidigital number, since it uses as much as digits as its factorization.

268914577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 846720, while the sum is 49.

The square root of 268914577 is about 16398.6150939645. The cubic root of 268914577 is about 645.4631427125.

The spelling of 268914577 in words is "two hundred sixty-eight million, nine hundred fourteen thousand, five hundred seventy-seven".