868298617 has 2 divisors, whose sum is σ = 868298618. Its totient is φ = 868298616.

The previous prime is 868298609. The next prime is 868298653. The reversal of 868298617 is 716892868.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 568870201 + 299428416 = 23851^2 + 17304^2 .

It is a cyclic number.

It is not a de Polignac number, because 868298617 - 2³ = 868298609 is a prime.

It is a super-3 number, since 3×868298617³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (868298677) 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, 434149308 + 434149309.

It is an arithmetic number, because the mean of its divisors is an integer number (434149309).

Almost surely, 2^868298617 is an apocalyptic number.

It is an amenable number.

868298617 is a deficient number, since it is larger than the sum of its proper divisors (1).

868298617 is an equidigital number, since it uses as much as digits as its factorization.

868298617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2322432, while the sum is 55.

The square root of 868298617 is about 29466.9071502253. The cubic root of 868298617 is about 954.0175626393.

The spelling of 868298617 in words is "eight hundred sixty-eight million, two hundred ninety-eight thousand, six hundred seventeen".