8478240508 has 24 divisors (see below), whose sum is σ = 15021659520. Its totient is φ = 4186378800.

The previous prime is 8478240503. The next prime is 8478240521. The reversal of 8478240508 is 8050428748.

It is a happy number.

It is a super-2 number, since 2×8478240508² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8478240503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1497483 + ... + 1503133.

It is an arithmetic number, because the mean of its divisors is an integer number (625902480).

Almost surely, 2^8478240508 is an apocalyptic number.

It is an amenable number.

8478240508 is a deficient number, since it is larger than the sum of its proper divisors (6543419012).

8478240508 is a wasteful number, since it uses less digits than its factorization.

8478240508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10257 (or 10255 counting only the distinct ones).

The product of its (nonzero) digits is 573440, while the sum is 46.

The square root of 8478240508 is about 92077.3615390884. The cubic root of 8478240508 is about 2039.0845973054.

It can be divided in two parts, 8478240 and 508, that added together give a palindrome (8478748).

The spelling of 8478240508 in words is "eight billion, four hundred seventy-eight million, two hundred forty thousand, five hundred eight".