865338119 has 2 divisors, whose sum is σ = 865338120. Its totient is φ = 865338118.

The previous prime is 865338107. The next prime is 865338127. The reversal of 865338119 is 911833568.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 865338119 - 2¹² = 865334023 is a prime.

It is a super-2 number, since 2×865338119² = 1497620120388916322, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 865338119.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (865338179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 432669059 + 432669060.

It is an arithmetic number, because the mean of its divisors is an integer number (432669060).

Almost surely, 2^865338119 is an apocalyptic number.

865338119 is a deficient number, since it is larger than the sum of its proper divisors (1).

865338119 is an equidigital number, since it uses as much as digits as its factorization.

865338119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 44.

The square root of 865338119 is about 29416.6299735371. The cubic root of 865338119 is about 952.9320746691.

The spelling of 865338119 in words is "eight hundred sixty-five million, three hundred thirty-eight thousand, one hundred nineteen".