868457459 has 2 divisors, whose sum is σ = 868457460. Its totient is φ = 868457458.

The previous prime is 868457441. The next prime is 868457477. The reversal of 868457459 is 954754868.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (868457441) and next prime (868457477).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-868457459 is a prime.

It is not a weakly prime, because it can be changed into another prime (868457419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434228729 + 434228730.

It is an arithmetic number, because the mean of its divisors is an integer number (434228730).

Almost surely, 2^868457459 is an apocalyptic number.

868457459 is a deficient number, since it is larger than the sum of its proper divisors (1).

868457459 is an equidigital number, since it uses as much as digits as its factorization.

868457459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9676800, while the sum is 56.

The square root of 868457459 is about 29469.6022877812. The cubic root of 868457459 is about 954.0757334173.

The spelling of 868457459 in words is "eight hundred sixty-eight million, four hundred fifty-seven thousand, four hundred fifty-nine".