80147328 has 64 divisors (see below), whose sum is σ = 218683920. Its totient is φ = 25989120.

The previous prime is 80147323. The next prime is 80147359. The reversal of 80147328 is 82374108.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80147321) 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, 11388 + ... + 17028.

Almost surely, 2^80147328 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 80147328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109341960).

80147328 is an abundant number, since it is smaller than the sum of its proper divisors (138536592).

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

80147328 is a wasteful number, since it uses less digits than its factorization.

80147328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5695 (or 5683 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 80147328 is about 8952.5040072596. The cubic root of 80147328 is about 431.1512829285.

The spelling of 80147328 in words is "eighty million, one hundred forty-seven thousand, three hundred twenty-eight".