8478915704 has 24 divisors (see below), whose sum is σ = 18493554240. Its totient is φ = 3633820848.

The previous prime is 8478915703. The next prime is 8478915773. The reversal of 8478915704 is 4075198748.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8478915701) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10814552 + ... + 10815335.

It is an arithmetic number, because the mean of its divisors is an integer number (770564760).

Almost surely, 2^8478915704 is an apocalyptic number.

It is an amenable number.

8478915704 is an abundant number, since it is smaller than the sum of its proper divisors (10014638536).

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

8478915704 is a wasteful number, since it uses less digits than its factorization.

8478915704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21629907 (or 21629896 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 53.

The square root of 8478915704 is about 92081.0279264953. The cubic root of 8478915704 is about 2039.1387258799.

The spelling of 8478915704 in words is "eight billion, four hundred seventy-eight million, nine hundred fifteen thousand, seven hundred four".