268827407 has 2 divisors, whose sum is σ = 268827408. Its totient is φ = 268827406.

The previous prime is 268827379. The next prime is 268827413. The reversal of 268827407 is 704728862.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268827407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268827497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134413703 + 134413704.

It is an arithmetic number, because the mean of its divisors is an integer number (134413704).

Almost surely, 2^268827407 is an apocalyptic number.

268827407 is a deficient number, since it is larger than the sum of its proper divisors (1).

268827407 is an equidigital number, since it uses as much as digits as its factorization.

268827407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 301056, while the sum is 44.

The square root of 268827407 is about 16395.9570321467. The cubic root of 268827407 is about 645.3933918107.

The spelling of 268827407 in words is "two hundred sixty-eight million, eight hundred twenty-seven thousand, four hundred seven".