80338921 has 8 divisors (see below), whose sum is σ = 88531520. Its totient is φ = 72433872.

The previous prime is 80338901. The next prime is 80338939. The reversal of 80338921 is 12983308.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80338921 - 2⁹ = 80338409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80338901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71301 + ... + 72418.

It is an arithmetic number, because the mean of its divisors is an integer number (11066440).

Almost surely, 2^80338921 is an apocalyptic number.

It is an amenable number.

80338921 is a deficient number, since it is larger than the sum of its proper divisors (8192599).

80338921 is a wasteful number, since it uses less digits than its factorization.

80338921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143775.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 80338921 is about 8963.1981457513. The cubic root of 80338921 is about 431.4945667033.

The spelling of 80338921 in words is "eighty million, three hundred thirty-eight thousand, nine hundred twenty-one".