327769082561 has 16 divisors (see below), whose sum is σ = 342460560000. Its totient is φ = 313388621568.

The previous prime is 327769082551. The next prime is 327769082569. The reversal of 327769082561 is 165280967723.

It is not a de Polignac number, because 327769082561 - 2³⁰ = 326695340737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 327769082497 and 327769082506.

It is not an unprimeable number, because it can be changed into a prime (327769082569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6157940 + ... + 6210938.

It is an arithmetic number, because the mean of its divisors is an integer number (21403785000).

Almost surely, 2^327769082561 is an apocalyptic number.

It is an amenable number.

327769082561 is a deficient number, since it is larger than the sum of its proper divisors (14691477439).

327769082561 is a wasteful number, since it uses less digits than its factorization.

327769082561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55928.

The product of its (nonzero) digits is 7620480, while the sum is 56.

The spelling of 327769082561 in words is "three hundred twenty-seven billion, seven hundred sixty-nine million, eighty-two thousand, five hundred sixty-one".