327628558501 has 2 divisors, whose sum is σ = 327628558502. Its totient is φ = 327628558500.

The previous prime is 327628558463. The next prime is 327628558507. The reversal of 327628558501 is 105855826723.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 292967800225 + 34660758276 = 541265^2 + 186174^2 .

It is a cyclic number.

It is not a de Polignac number, because 327628558501 - 2¹⁵ = 327628525733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (327628558507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163814279250 + 163814279251.

It is an arithmetic number, because the mean of its divisors is an integer number (163814279251).

Almost surely, 2^327628558501 is an apocalyptic number.

It is an amenable number.

327628558501 is a deficient number, since it is larger than the sum of its proper divisors (1).

327628558501 is an equidigital number, since it uses as much as digits as its factorization.

327628558501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032000, while the sum is 52.

The spelling of 327628558501 in words is "three hundred twenty-seven billion, six hundred twenty-eight million, five hundred fifty-eight thousand, five hundred one".