80303328 has 144 divisors (see below), whose sum is σ = 265670496. Its totient is φ = 22533120.

The previous prime is 80303309. The next prime is 80303339. The reversal of 80303328 is 82330308.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 122650 + ... + 123302.

It is an arithmetic number, because the mean of its divisors is an integer number (1844934).

Almost surely, 2^80303328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80303328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132835248).

80303328 is an abundant number, since it is smaller than the sum of its proper divisors (185367168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80303328 is a wasteful number, since it uses less digits than its factorization.

80303328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737 (or 726 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 80303328 is about 8961.2124179711. The cubic root of 80303328 is about 431.4308348095.

The spelling of 80303328 in words is "eighty million, three hundred three thousand, three hundred twenty-eight".