8478574648 has 32 divisors (see below), whose sum is σ = 16424472960. Its totient is φ = 4098954240.

The previous prime is 8478574619. The next prime is 8478574661. The reversal of 8478574648 is 8464758748.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281536 + ... + 310192.

It is an arithmetic number, because the mean of its divisors is an integer number (513264780).

Almost surely, 2^8478574648 is an apocalyptic number.

It is an amenable number.

8478574648 is a deficient number, since it is larger than the sum of its proper divisors (7945898312).

8478574648 is a wasteful number, since it uses less digits than its factorization.

8478574648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29887 (or 29883 counting only the distinct ones).

The product of its digits is 48168960, while the sum is 61.

The square root of 8478574648 is about 92079.1759737238. The cubic root of 8478574648 is about 2039.1113847337. Note that the first 3 decimals are identical.

The spelling of 8478574648 in words is "eight billion, four hundred seventy-eight million, five hundred seventy-four thousand, six hundred forty-eight".