678303220 has 24 divisors (see below), whose sum is σ = 1627928064. Its totient is φ = 232561056.

The previous prime is 678303217. The next prime is 678303229. The reversal of 678303220 is 22303876.

678303220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678303229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2422372 + ... + 2422651.

It is an arithmetic number, because the mean of its divisors is an integer number (67830336).

Almost surely, 2^678303220 is an apocalyptic number.

It is an amenable number.

678303220 is an abundant number, since it is smaller than the sum of its proper divisors (949624844).

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

678303220 is a wasteful number, since it uses less digits than its factorization.

678303220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4845039 (or 4845037 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 678303220 is about 26044.2550287007. The cubic root of 678303220 is about 878.6339083007.

The spelling of 678303220 in words is "six hundred seventy-eight million, three hundred three thousand, two hundred twenty".