80831328 has 48 divisors (see below), whose sum is σ = 224668080. Its totient is φ = 25358336.

The previous prime is 80831321. The next prime is 80831329. The reversal of 80831328 is 82313808.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80831321) 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, 23133 + ... + 26396.

It is an arithmetic number, because the mean of its divisors is an integer number (4680585).

Almost surely, 2^80831328 is an apocalyptic number.

It is an amenable number.

80831328 is an abundant number, since it is smaller than the sum of its proper divisors (143836752).

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

80831328 is a wasteful number, since it uses less digits than its factorization.

80831328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49559 (or 49551 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 80831328 is about 8990.6244499478. The cubic root of 80831328 is about 432.3743326076.

The spelling of 80831328 in words is "eighty million, eight hundred thirty-one thousand, three hundred twenty-eight".