669423882 has 16 divisors (see below), whose sum is σ = 1360796832. Its totient is φ = 219483120.

The previous prime is 669423857. The next prime is 669423919. The reversal of 669423882 is 288324966.

669423882 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 914148 + ... + 914879.

It is an arithmetic number, because the mean of its divisors is an integer number (85049802).

Almost surely, 2^669423882 is an apocalyptic number.

669423882 is an abundant number, since it is smaller than the sum of its proper divisors (691372950).

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

669423882 is a wasteful number, since it uses less digits than its factorization.

669423882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1829093.

The product of its digits is 995328, while the sum is 48.

The square root of 669423882 is about 25873.2271276700. The cubic root of 669423882 is about 874.7831329755.

The spelling of 669423882 in words is "six hundred sixty-nine million, four hundred twenty-three thousand, eight hundred eighty-two".