8480478868 has 12 divisors (see below), whose sum is σ = 15202809972. Its totient is φ = 4136818880.

The previous prime is 8480478859. The next prime is 8480478871. The reversal of 8480478868 is 8688740848.

It can be written as a sum of positive squares in 2 ways, for example, as 2978103184 + 5502375684 = 54572^2 + 74178^2 .

It is a super-2 number, since 2×8480478868² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25854955 + ... + 25855282.

It is an arithmetic number, because the mean of its divisors is an integer number (1266900831).

Almost surely, 2^8480478868 is an apocalyptic number.

It is an amenable number.

8480478868 is a deficient number, since it is larger than the sum of its proper divisors (6722331104).

8480478868 is a wasteful number, since it uses less digits than its factorization.

8480478868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51710282 (or 51710280 counting only the distinct ones).

The product of its (nonzero) digits is 22020096, while the sum is 61.

The square root of 8480478868 is about 92089.5155161542. The cubic root of 8480478868 is about 2039.2640293383.

The spelling of 8480478868 in words is "eight billion, four hundred eighty million, four hundred seventy-eight thousand, eight hundred sixty-eight".