268071863 has 2 divisors, whose sum is σ = 268071864. Its totient is φ = 268071862.

The previous prime is 268071829. The next prime is 268071889. The reversal of 268071863 is 368170862.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 268071863 - 2¹⁰ = 268070839 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 268071863.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268071803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134035931 + 134035932.

It is an arithmetic number, because the mean of its divisors is an integer number (134035932).

Almost surely, 2^268071863 is an apocalyptic number.

268071863 is a deficient number, since it is larger than the sum of its proper divisors (1).

268071863 is an equidigital number, since it uses as much as digits as its factorization.

268071863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 268071863 is about 16372.9002623237. The cubic root of 268071863 is about 644.7881947820.

The spelling of 268071863 in words is "two hundred sixty-eight million, seventy-one thousand, eight hundred sixty-three".