80528308 has 48 divisors (see below), whose sum is σ = 170531200. Its totient is φ = 32503680.

The previous prime is 80528291. The next prime is 80528321. The reversal of 80528308 is 80382508.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121498 + ... + 122158.

Almost surely, 2^80528308 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 80528308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85265600).

80528308 is an abundant number, since it is smaller than the sum of its proper divisors (90002892).

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

80528308 is a wasteful number, since it uses less digits than its factorization.

80528308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920 (or 918 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 80528308 is about 8973.7566269651. The cubic root of 80528308 is about 431.8333619416.

The spelling of 80528308 in words is "eighty million, five hundred twenty-eight thousand, three hundred eight".