865768422 has 8 divisors (see below), whose sum is σ = 1731536856. Its totient is φ = 288589472.

The previous prime is 865768417. The next prime is 865768433. The reversal of 865768422 is 224867568.

It is a sphenic number, since it is the product of 3 distinct primes.

865768422 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 72147363 + ... + 72147374.

It is an arithmetic number, because the mean of its divisors is an integer number (216442107).

Almost surely, 2^865768422 is an apocalyptic number.

865768422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

865768422 is a wasteful number, since it uses less digits than its factorization.

865768422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144294742.

The product of its digits is 1290240, while the sum is 48.

The square root of 865768422 is about 29423.9430056544. The cubic root of 865768422 is about 953.0900019857.

The spelling of 865768422 in words is "eight hundred sixty-five million, seven hundred sixty-eight thousand, four hundred twenty-two".