478677220 has 48 divisors (see below), whose sum is σ = 1151635968. Its totient is φ = 163716480.

The previous prime is 478677209. The next prime is 478677223. The reversal of 478677220 is 22776874.

It is not an unprimeable number, because it can be changed into a prime (478677223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56374 + ... + 64306.

It is an arithmetic number, because the mean of its divisors is an integer number (23992416).

Almost surely, 2^478677220 is an apocalyptic number.

It is an amenable number.

478677220 is an abundant number, since it is smaller than the sum of its proper divisors (672958748).

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

478677220 is a wasteful number, since it uses less digits than its factorization.

478677220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8380 (or 8378 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 43.

The square root of 478677220 is about 21878.6932882199. The cubic root of 478677220 is about 782.2536292229.

The spelling of 478677220 in words is "four hundred seventy-eight million, six hundred seventy-seven thousand, two hundred twenty".