322398009887 has 2 divisors, whose sum is σ = 322398009888. Its totient is φ = 322398009886.

The previous prime is 322398009859. The next prime is 322398009919. The reversal of 322398009887 is 788900893223.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 322398009887 - 2⁸ = 322398009631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (322398009847) 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, 161199004943 + 161199004944.

It is an arithmetic number, because the mean of its divisors is an integer number (161199004944).

Almost surely, 2^322398009887 is an apocalyptic number.

322398009887 is a deficient number, since it is larger than the sum of its proper divisors (1).

322398009887 is an equidigital number, since it uses as much as digits as its factorization.

322398009887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10450944, while the sum is 59.

The spelling of 322398009887 in words is "three hundred twenty-two billion, three hundred ninety-eight million, nine thousand, eight hundred eighty-seven".