8478680 has 64 divisors (see below), whose sum is σ = 22083840. Its totient is φ = 2869632.

The previous prime is 8478671. The next prime is 8478689. The reversal of 8478680 is 868748.

It is a happy number.

8478680 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (8478671) and next prime (8478689).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8478689) 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, 29819 + ... + 30101.

It is an arithmetic number, because the mean of its divisors is an integer number (345060).

Almost surely, 2^8478680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8478680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11041920).

8478680 is an abundant number, since it is smaller than the sum of its proper divisors (13605160).

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

8478680 is a wasteful number, since it uses less digits than its factorization.

8478680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408 (or 404 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 41.

The square root of 8478680 is about 2911.8173019611. The cubic root of 8478680 is about 203.9119830476.

The spelling of 8478680 in words is "eight million, four hundred seventy-eight thousand, six hundred eighty".