868443119 has 2 divisors, whose sum is σ = 868443120. Its totient is φ = 868443118.

The previous prime is 868443109. The next prime is 868443139. The reversal of 868443119 is 911344868.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 868443119 - 2¹⁶ = 868377583 is a prime.

It is a super-2 number, since 2×868443119² = 1508386901876896322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 868443119.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (868443109) 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, 434221559 + 434221560.

It is an arithmetic number, because the mean of its divisors is an integer number (434221560).

Almost surely, 2^868443119 is an apocalyptic number.

868443119 is a deficient number, since it is larger than the sum of its proper divisors (1).

868443119 is an equidigital number, since it uses as much as digits as its factorization.

868443119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 44.

The square root of 868443119 is about 29469.3589852240. The cubic root of 868443119 is about 954.0704821444.

The spelling of 868443119 in words is "eight hundred sixty-eight million, four hundred forty-three thousand, one hundred nineteen".