8478360847 has 8 divisors (see below), whose sum is σ = 9253278720. Its totient is φ = 7704135960.

The previous prime is 8478360827. The next prime is 8478360851. The reversal of 8478360847 is 7480638748.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8478360847 - 2²³ = 8469972239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8478360827) 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, 147493 + ... + 196750.

It is an arithmetic number, because the mean of its divisors is an integer number (1156659840).

Almost surely, 2^8478360847 is an apocalyptic number.

8478360847 is a deficient number, since it is larger than the sum of its proper divisors (774917873).

8478360847 is a wasteful number, since it uses less digits than its factorization.

8478360847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346493.

The product of its (nonzero) digits is 7225344, while the sum is 55.

The square root of 8478360847 is about 92078.0150035827. The cubic root of 8478360847 is about 2039.0942447569.

The spelling of 8478360847 in words is "eight billion, four hundred seventy-eight million, three hundred sixty thousand, eight hundred forty-seven".