864422334556867 has 2 divisors, whose sum is σ = 864422334556868. Its totient is φ = 864422334556866.

The previous prime is 864422334556861. The next prime is 864422334557009. The reversal of 864422334556867 is 768655433224468.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 864422334556867 - 2²³ = 864422326168259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 864422334556867.

It is not a weakly prime, because it can be changed into another prime (864422334556861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 432211167278433 + 432211167278434.

It is an arithmetic number, because the mean of its divisors is an integer number (432211167278434).

Almost surely, 2^{864422334556867} is an apocalyptic number.

864422334556867 is a deficient number, since it is larger than the sum of its proper divisors (1).

864422334556867 is an equidigital number, since it uses as much as digits as its factorization.

864422334556867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5573836800, while the sum is 73.

The spelling of 864422334556867 in words is "eight hundred sixty-four trillion, four hundred twenty-two billion, three hundred thirty-four million, five hundred fifty-six thousand, eight hundred sixty-seven".