327770738689 has 4 divisors (see below), whose sum is σ = 327774322756. Its totient is φ = 327767154624.

The previous prime is 327770738657. The next prime is 327770738749. The reversal of 327770738689 is 986837077723.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 294789273025 + 32981465664 = 542945^2 + 181608^2 .

It is a cyclic number.

It is not a de Polignac number, because 327770738689 - 2⁵ = 327770738657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (327770738609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1651164 + ... + 1838989.

It is an arithmetic number, because the mean of its divisors is an integer number (81943580689).

Almost surely, 2^327770738689 is an apocalyptic number.

It is an amenable number.

327770738689 is a deficient number, since it is larger than the sum of its proper divisors (3584067).

327770738689 is an equidigital number, since it uses as much as digits as its factorization.

327770738689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3584066.

The product of its (nonzero) digits is 149361408, while the sum is 67.

The spelling of 327770738689 in words is "three hundred twenty-seven billion, seven hundred seventy million, seven hundred thirty-eight thousand, six hundred eighty-nine".