8478070220 has 24 divisors (see below), whose sum is σ = 17807050800. Its totient is φ = 3390636992.

The previous prime is 8478070201. The next prime is 8478070243. The reversal of 8478070220 is 220708748.

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, 91571 + ... + 159189.

It is an arithmetic number, because the mean of its divisors is an integer number (741960450).

Almost surely, 2^8478070220 is an apocalyptic number.

It is an amenable number.

8478070220 is an abundant number, since it is smaller than the sum of its proper divisors (9328980580).

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

8478070220 is a wasteful number, since it uses less digits than its factorization.

8478070220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73897 (or 73895 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 38.

The square root of 8478070220 is about 92076.4368337524. The cubic root of 8478070220 is about 2039.0709453391.

Adding to 8478070220 its reverse (220708748), we get a palindrome (8698778968).

The spelling of 8478070220 in words is "eight billion, four hundred seventy-eight million, seventy thousand, two hundred twenty".