80688528 has 80 divisors (see below), whose sum is σ = 245252160. Its totient is φ = 25311744.

The previous prime is 80688499. The next prime is 80688541. The reversal of 80688528 is 82588608.

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, 1851 + ... + 12837.

It is an arithmetic number, because the mean of its divisors is an integer number (3065652).

Almost surely, 2^80688528 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 80688528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122626080).

80688528 is an abundant number, since it is smaller than the sum of its proper divisors (164563632).

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

80688528 is a wasteful number, since it uses less digits than its factorization.

80688528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11021 (or 11009 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 45.

The square root of 80688528 is about 8982.6793330275. The cubic root of 80688528 is about 432.1195656699.

The spelling of 80688528 in words is "eighty million, six hundred eighty-eight thousand, five hundred twenty-eight".