9917376824 has 16 divisors (see below), whose sum is σ = 18719883000. Its totient is φ = 4925408032.

The previous prime is 9917376823. The next prime is 9917376829. The reversal of 9917376824 is 4286737199.

9917376824 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 9917376824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9917376823) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4158782 + ... + 4161165.

Almost surely, 2^9917376824 is an apocalyptic number.

It is an amenable number.

9917376824 is a deficient number, since it is larger than the sum of its proper divisors (8802506176).

9917376824 is a wasteful number, since it uses less digits than its factorization.

9917376824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8320102 (or 8320098 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 56.

The square root of 9917376824 is about 99586.0272528230. The cubic root of 9917376824 is about 2148.4847317855.

The spelling of 9917376824 in words is "nine billion, nine hundred seventeen million, three hundred seventy-six thousand, eight hundred twenty-four".