80522928 has 120 divisors (see below), whose sum is σ = 233868960. Its totient is φ = 25850880.

The previous prime is 80522927. The next prime is 80522929. The reversal of 80522928 is 82922508.

It is an interprime number because it is at equal distance from previous prime (80522927) and next prime (80522929).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 80522892 and 80522901.

It is not an unprimeable number, because it can be changed into a prime (80522927) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 781725 + ... + 781827.

It is an arithmetic number, because the mean of its divisors is an integer number (1948908).

Almost surely, 2^80522928 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 80522928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116934480).

80522928 is an abundant number, since it is smaller than the sum of its proper divisors (153346032).

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

80522928 is a wasteful number, since it uses less digits than its factorization.

80522928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267 (or 258 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 80522928 is about 8973.4568589814. The cubic root of 80522928 is about 431.8237449706.

The spelling of 80522928 in words is "eighty million, five hundred twenty-two thousand, nine hundred twenty-eight".