80304539 has 8 divisors (see below), whose sum is σ = 94737408. Its totient is φ = 66611880.

The previous prime is 80304517. The next prime is 80304619. The reversal of 80304539 is 93540308.

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 80304539 - 2¹² = 80300443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80304439) 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, 184817 + ... + 185250.

It is an arithmetic number, because the mean of its divisors is an integer number (11842176).

Almost surely, 2^80304539 is an apocalyptic number.

80304539 is a deficient number, since it is larger than the sum of its proper divisors (14432869).

80304539 is a wasteful number, since it uses less digits than its factorization.

80304539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370105.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 80304539 is about 8961.2799866983. The cubic root of 80304539 is about 431.4330035038.

The spelling of 80304539 in words is "eighty million, three hundred four thousand, five hundred thirty-nine".