8244115478856 has 64 divisors (see below), whose sum is σ = 22901069083200. Its totient is φ = 2747948696064.

The previous prime is 8244115478827. The next prime is 8244115478869. The reversal of 8244115478856 is 6588745114428.

8244115478856 is a `hidden beast` number, since 8 + 2 + 4 + 4 + 1 + 1 + 547 + 8 + 85 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 8244115478793 and 8244115478802.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6172995 + ... + 7388781.

It is an arithmetic number, because the mean of its divisors is an integer number (357829204425).

Almost surely, 2^{8244115478856} is an apocalyptic number.

It is an amenable number.

8244115478856 is an abundant number, since it is smaller than the sum of its proper divisors (14656953604344).

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

8244115478856 is a wasteful number, since it uses less digits than its factorization.

8244115478856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247195 (or 1247185 counting only the distinct ones).

The product of its digits is 68812800, while the sum is 63.

The spelling of 8244115478856 in words is "eight trillion, two hundred forty-four billion, one hundred fifteen million, four hundred seventy-eight thousand, eight hundred fifty-six".