327901987745611 has 2 divisors, whose sum is σ = 327901987745612. Its totient is φ = 327901987745610.

The previous prime is 327901987745603. The next prime is 327901987745621. The reversal of 327901987745611 is 116547789109723.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 327901987745611 - 2³ = 327901987745603 is a prime.

It is not a weakly prime, because it can be changed into another prime (327901987745621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163950993872805 + 163950993872806.

It is an arithmetic number, because the mean of its divisors is an integer number (163950993872806).

It is a 2-persistent number, because it is pandigital, and so is 2⋅327901987745611 = 655803975491222, but 3⋅327901987745611 = 983705963236833 is not.

Almost surely, 2^{327901987745611} is an apocalyptic number.

327901987745611 is a deficient number, since it is larger than the sum of its proper divisors (1).

327901987745611 is an equidigital number, since it uses as much as digits as its factorization.

327901987745611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160030080, while the sum is 70.

The spelling of 327901987745611 in words is "three hundred twenty-seven trillion, nine hundred one billion, nine hundred eighty-seven million, seven hundred forty-five thousand, six hundred eleven".