268907087 has 2 divisors, whose sum is σ = 268907088. Its totient is φ = 268907086.

The previous prime is 268907063. The next prime is 268907141. The reversal of 268907087 is 780709862.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268907087 is a prime.

It is a super-2 number, since 2×268907087² = 144622042877651138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268907017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134453543 + 134453544.

It is an arithmetic number, because the mean of its divisors is an integer number (134453544).

Almost surely, 2^268907087 is an apocalyptic number.

268907087 is a deficient number, since it is larger than the sum of its proper divisors (1).

268907087 is an equidigital number, since it uses as much as digits as its factorization.

268907087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 338688, while the sum is 47.

The square root of 268907087 is about 16398.3867194307. The cubic root of 268907087 is about 645.4571500241.

The spelling of 268907087 in words is "two hundred sixty-eight million, nine hundred seven thousand, eighty-seven".