8538947424 has 120 divisors (see below), whose sum is σ = 28700412048. Its totient is φ = 2439694080.

The previous prime is 8538947423. The next prime is 8538947447. The reversal of 8538947424 is 4247498358.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8538947423) 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 19 ways as a sum of consecutive naturals, for example, 217167 + ... + 253454.

Almost surely, 2^8538947424 is an apocalyptic number.

8538947424 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

8538947424 is an abundant number, since it is smaller than the sum of its proper divisors (20161464624).

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

8538947424 is a wasteful number, since it uses less digits than its factorization.

8538947424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470650 (or 470633 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 54.

The square root of 8538947424 is about 92406.4252311494. The cubic root of 8538947424 is about 2043.9398600826.

The spelling of 8538947424 in words is "eight billion, five hundred thirty-eight million, nine hundred forty-seven thousand, four hundred twenty-four".