268958783 has 2 divisors, whose sum is σ = 268958784. Its totient is φ = 268958782.

The previous prime is 268958773. The next prime is 268958827. The reversal of 268958783 is 387859862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 268958783 - 2⁶ = 268958719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268958713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134479391 + 134479392.

It is an arithmetic number, because the mean of its divisors is an integer number (134479392).

Almost surely, 2^268958783 is an apocalyptic number.

268958783 is a deficient number, since it is larger than the sum of its proper divisors (1).

268958783 is an equidigital number, since it uses as much as digits as its factorization.

268958783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5806080, while the sum is 56.

The square root of 268958783 is about 16399.9628962995. The cubic root of 268958783 is about 645.4985093094.

The spelling of 268958783 in words is "two hundred sixty-eight million, nine hundred fifty-eight thousand, seven hundred eighty-three".