268107863 has 2 divisors, whose sum is σ = 268107864. Its totient is φ = 268107862.

The previous prime is 268107839. The next prime is 268107877. The reversal of 268107863 is 368701862.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 268107863 - 2¹² = 268103767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 268107863.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268107823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134053931 + 134053932.

It is an arithmetic number, because the mean of its divisors is an integer number (134053932).

Almost surely, 2^268107863 is an apocalyptic number.

268107863 is a deficient number, since it is larger than the sum of its proper divisors (1).

268107863 is an equidigital number, since it uses as much as digits as its factorization.

268107863 is an evil number, because the sum of its binary digits is even.

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

The square root of 268107863 is about 16373.9996030292. Note that the first 3 decimals coincide. The cubic root of 268107863 is about 644.8170568637.

The spelling of 268107863 in words is "two hundred sixty-eight million, one hundred seven thousand, eight hundred sixty-three".