328084021427 has 4 divisors (see below), whose sum is σ = 328409180040. Its totient is φ = 327758862816.

The previous prime is 328084021417. The next prime is 328084021429. The reversal of 328084021427 is 724120480823.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 724120480823 = 151 ⋅4795499873.

It is a cyclic number.

It is not a de Polignac number, because 328084021427 - 2¹⁴ = 328084005043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328084021429) 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, 162577793 + ... + 162579810.

It is an arithmetic number, because the mean of its divisors is an integer number (82102295010).

Almost surely, 2^328084021427 is an apocalyptic number.

328084021427 is a deficient number, since it is larger than the sum of its proper divisors (325158613).

328084021427 is a wasteful number, since it uses less digits than its factorization.

328084021427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325158612.

The product of its (nonzero) digits is 172032, while the sum is 41.

The spelling of 328084021427 in words is "three hundred twenty-eight billion, eighty-four million, twenty-one thousand, four hundred twenty-seven".