328205265447 has 4 divisors (see below), whose sum is σ = 437607020600. Its totient is φ = 218803510296.

The previous prime is 328205265433. The next prime is 328205265461. The reversal of 328205265447 is 744562502823.

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

It is an interprime number because it is at equal distance from previous prime (328205265433) and next prime (328205265461).

It is not a de Polignac number, because 328205265447 - 2¹⁰ = 328205264423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 328205265396 and 328205265405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328205265247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54700877572 + ... + 54700877577.

It is an arithmetic number, because the mean of its divisors is an integer number (109401755150).

Almost surely, 2^328205265447 is an apocalyptic number.

328205265447 is a deficient number, since it is larger than the sum of its proper divisors (109401755153).

328205265447 is a wasteful number, since it uses less digits than its factorization.

328205265447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109401755152.

The product of its (nonzero) digits is 3225600, while the sum is 48.

The spelling of 328205265447 in words is "three hundred twenty-eight billion, two hundred five million, two hundred sixty-five thousand, four hundred forty-seven".