80828244 has 54 divisors (see below), whose sum is σ = 237678714. Its totient is φ = 23093280.

The previous prime is 80828243. The next prime is 80828263. The reversal of 80828244 is 44282808.

It can be written as a sum of positive squares in only one way, i.e., 80784144 + 44100 = 8988^2 + 210^2 .

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 = 80828199 and 80828208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80828243) 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 17 ways as a sum of consecutive naturals, for example, 21147 + ... + 24674.

Almost surely, 2^80828244 is an apocalyptic number.

80828244 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

80828244 is an abundant number, since it is smaller than the sum of its proper divisors (156850470).

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

80828244 is a wasteful number, since it uses less digits than its factorization.

80828244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45845 (or 45833 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 36.

The square root of 80828244 is about 8990.4529363097. The cubic root of 80828244 is about 432.3688336695.

The spelling of 80828244 in words is "eighty million, eight hundred twenty-eight thousand, two hundred forty-four".