80328321 has 8 divisors (see below), whose sum is σ = 119004960. Its totient is φ = 53552196.

The previous prime is 80328299. The next prime is 80328341. The reversal of 80328321 is 12382308.

It is not a de Polignac number, because 80328321 - 2¹⁰ = 80327297 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 2975123 = 80328321 / (8 + 0 + 3 + 2 + 8 + 3 + 2 + 1).

It is not an unprimeable number, because it can be changed into a prime (80328341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1487535 + ... + 1487588.

It is an arithmetic number, because the mean of its divisors is an integer number (14875620).

Almost surely, 2^80328321 is an apocalyptic number.

It is an amenable number.

80328321 is a deficient number, since it is larger than the sum of its proper divisors (38676639).

80328321 is a wasteful number, since it uses less digits than its factorization.

80328321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2975132 (or 2975126 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 80328321 is about 8962.6068194471. The cubic root of 80328321 is about 431.4755885894.

The spelling of 80328321 in words is "eighty million, three hundred twenty-eight thousand, three hundred twenty-one".