868459727 has 2 divisors, whose sum is σ = 868459728. Its totient is φ = 868459726.

The previous prime is 868459693. The next prime is 868459729. The reversal of 868459727 is 727954868.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 868459727 - 2¹² = 868455631 is a prime.

Together with 868459729, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (868459729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434229863 + 434229864.

It is an arithmetic number, because the mean of its divisors is an integer number (434229864).

Almost surely, 2^868459727 is an apocalyptic number.

868459727 is a deficient number, since it is larger than the sum of its proper divisors (1).

868459727 is an equidigital number, since it uses as much as digits as its factorization.

868459727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6773760, while the sum is 56.

The square root of 868459727 is about 29469.6407680854. The cubic root of 868459727 is about 954.0765639480.

The spelling of 868459727 in words is "eight hundred sixty-eight million, four hundred fifty-nine thousand, seven hundred twenty-seven".