268204667 has 2 divisors, whose sum is σ = 268204668. Its totient is φ = 268204666.

The previous prime is 268204663. The next prime is 268204691. The reversal of 268204667 is 766402862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 268204667 - 2² = 268204663 is a prime.

It is not a weakly prime, because it can be changed into another prime (268204663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134102333 + 134102334.

It is an arithmetic number, because the mean of its divisors is an integer number (134102334).

Almost surely, 2^268204667 is an apocalyptic number.

268204667 is a deficient number, since it is larger than the sum of its proper divisors (1).

268204667 is an equidigital number, since it uses as much as digits as its factorization.

268204667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 268204667 is about 16376.9553641695. The cubic root of 268204667 is about 644.8946541891.

The spelling of 268204667 in words is "two hundred sixty-eight million, two hundred four thousand, six hundred sixty-seven".