80968212 has 72 divisors (see below), whose sum is σ = 233401896. Its totient is φ = 23445504.

The previous prime is 80968201. The next prime is 80968219. The reversal of 80968212 is 21286908.

It can be written as a sum of positive squares in 4 ways, for example, as 13793796 + 67174416 = 3714^2 + 8196^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80968219) 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, 2868 + ... + 13044.

It is an arithmetic number, because the mean of its divisors is an integer number (3241693).

Almost surely, 2^80968212 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 80968212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116700948).

80968212 is an abundant number, since it is smaller than the sum of its proper divisors (152433684).

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

80968212 is a wasteful number, since it uses less digits than its factorization.

80968212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10217 (or 10212 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 80968212 is about 8998.2338267018. The cubic root of 80968212 is about 432.6182634033.

The spelling of 80968212 in words is "eighty million, nine hundred sixty-eight thousand, two hundred twelve".