80229856 has 72 divisors (see below), whose sum is σ = 193483080. Its totient is φ = 32562432.

The previous prime is 80229781. The next prime is 80229859. The reversal of 80229856 is 65892208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80229859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28446 + ... + 31138.

It is an arithmetic number, because the mean of its divisors is an integer number (2687265).

Almost surely, 2^80229856 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 80229856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96741540).

80229856 is an abundant number, since it is smaller than the sum of its proper divisors (113253224).

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

80229856 is a wasteful number, since it uses less digits than its factorization.

80229856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2736 (or 2721 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 80229856 is about 8957.1120345790. The cubic root of 80229856 is about 431.2992181871.

The spelling of 80229856 in words is "eighty million, two hundred twenty-nine thousand, eight hundred fifty-six".