80384305 has 8 divisors (see below), whose sum is σ = 98281512. Its totient is φ = 63093888.

The previous prime is 80384303. The next prime is 80384321. The reversal of 80384305 is 50348308.

It can be written as a sum of positive squares in 4 ways, for example, as 37258816 + 43125489 = 6104^2 + 6567^2 .

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 80384305 - 2¹ = 80384303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80384303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151404 + ... + 151933.

It is an arithmetic number, because the mean of its divisors is an integer number (12285189).

Almost surely, 2^80384305 is an apocalyptic number.

It is an amenable number.

80384305 is a deficient number, since it is larger than the sum of its proper divisors (17897207).

80384305 is a wasteful number, since it uses less digits than its factorization.

80384305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303395.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 80384305 is about 8965.7294739469. The cubic root of 80384305 is about 431.5758028083.

The spelling of 80384305 in words is "eighty million, three hundred eighty-four thousand, three hundred five".