321441000887 has 2 divisors, whose sum is σ = 321441000888. Its totient is φ = 321441000886.

The previous prime is 321441000841. The next prime is 321441000919. The reversal of 321441000887 is 788000144123.

It is a strong prime.

It is an emirp because it is prime and its reverse (788000144123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 321441000887 - 2⁶ = 321441000823 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 321441000887.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321441009887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160720500443 + 160720500444.

It is an arithmetic number, because the mean of its divisors is an integer number (160720500444).

Almost surely, 2^321441000887 is an apocalyptic number.

321441000887 is a deficient number, since it is larger than the sum of its proper divisors (1).

321441000887 is an equidigital number, since it uses as much as digits as its factorization.

321441000887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43008, while the sum is 38.

The spelling of 321441000887 in words is "three hundred twenty-one billion, four hundred forty-one million, eight hundred eighty-seven", and thus it is an aban number.