868344311 has 2 divisors, whose sum is σ = 868344312. Its totient is φ = 868344310.

The previous prime is 868344299. The next prime is 868344349. The reversal of 868344311 is 113443868.

It is an a-pointer prime, because the next prime (868344349) can be obtained adding 868344311 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 868344311 - 2¹⁸ = 868082167 is a prime.

It is a super-3 number, since 3×868344311³ (a number of 28 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (868344011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434172155 + 434172156.

It is an arithmetic number, because the mean of its divisors is an integer number (434172156).

Almost surely, 2^868344311 is an apocalyptic number.

868344311 is a deficient number, since it is larger than the sum of its proper divisors (1).

868344311 is an equidigital number, since it uses as much as digits as its factorization.

868344311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55296, while the sum is 38.

The square root of 868344311 is about 29467.6824843760. The cubic root of 868344311 is about 954.0342973252.

The spelling of 868344311 in words is "eight hundred sixty-eight million, three hundred forty-four thousand, three hundred eleven".