268298567 has 2 divisors, whose sum is σ = 268298568. Its totient is φ = 268298566.

The previous prime is 268298551. The next prime is 268298587. The reversal of 268298567 is 765892862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 268298567 - 2⁴ = 268298551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268298587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134149283 + 134149284.

It is an arithmetic number, because the mean of its divisors is an integer number (134149284).

Almost surely, 2^268298567 is an apocalyptic number.

268298567 is a deficient number, since it is larger than the sum of its proper divisors (1).

268298567 is an equidigital number, since it uses as much as digits as its factorization.

268298567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2903040, while the sum is 53.

The square root of 268298567 is about 16379.8219465292. The cubic root of 268298567 is about 644.9699058531.

The spelling of 268298567 in words is "two hundred sixty-eight million, two hundred ninety-eight thousand, five hundred sixty-seven".