80943321 has 16 divisors (see below), whose sum is σ = 113068800. Its totient is φ = 51437568.

The previous prime is 80943311. The next prime is 80943347. The reversal of 80943321 is 12334908.

It is not a de Polignac number, because 80943321 - 2⁶ = 80943257 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80943311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 985 + ... + 12761.

It is an arithmetic number, because the mean of its divisors is an integer number (7066800).

Almost surely, 2^80943321 is an apocalyptic number.

It is an amenable number.

80943321 is a deficient number, since it is larger than the sum of its proper divisors (32125479).

80943321 is a wasteful number, since it uses less digits than its factorization.

80943321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11888.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 80943321 is about 8996.8506156321. The cubic root of 80943321 is about 432.5739274655.

The spelling of 80943321 in words is "eighty million, nine hundred forty-three thousand, three hundred twenty-one".