80628828 has 24 divisors (see below), whose sum is σ = 215010432. Its totient is φ = 23036784.

The previous prime is 80628791. The next prime is 80628851. The reversal of 80628828 is 82882608.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 80628828.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 479850 + ... + 480017.

It is an arithmetic number, because the mean of its divisors is an integer number (8958768).

Almost surely, 2^80628828 is an apocalyptic number.

It is an amenable number.

80628828 is an abundant number, since it is smaller than the sum of its proper divisors (134381604).

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

80628828 is a wasteful number, since it uses less digits than its factorization.

80628828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959881 (or 959879 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 42.

The square root of 80628828 is about 8979.3556561704. The cubic root of 80628828 is about 432.0129668604.

The spelling of 80628828 in words is "eighty million, six hundred twenty-eight thousand, eight hundred twenty-eight".