8474778576 has 240 divisors, whose sum is σ = 27761348160. Its totient is φ = 2479196160.

The previous prime is 8474778569. The next prime is 8474778577. The reversal of 8474778576 is 6758774748.

8474778576 is a `hidden beast` number, since 84 + 7 + 477 + 85 + 7 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8474778577) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1236856 + ... + 1243688.

It is an arithmetic number, because the mean of its divisors is an integer number (115672284).

Almost surely, 2^8474778576 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 8474778576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13880674080).

8474778576 is an abundant number, since it is smaller than the sum of its proper divisors (19286569584).

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

8474778576 is a wasteful number, since it uses less digits than its factorization.

8474778576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6896 (or 6878 counting only the distinct ones).

The product of its digits is 73758720, while the sum is 63.

The square root of 8474778576 is about 92058.5605796658. The cubic root of 8474778576 is about 2038.8070187498.

The spelling of 8474778576 in words is "eight billion, four hundred seventy-four million, seven hundred seventy-eight thousand, five hundred seventy-six".