9958668599 has 8 divisors (see below), whose sum is σ = 10866165120. Its totient is φ = 9051532600.

The previous prime is 9958668589. The next prime is 9958668619.

9958668599 is nontrivially palindromic in base 10.

9958668599 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9958668599 - 2²⁴ = 9941891383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9958668509) 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 7 ways as a sum of consecutive naturals, for example, 30659 + ... + 144420.

It is an arithmetic number, because the mean of its divisors is an integer number (1358270640).

Almost surely, 2^9958668599 is an apocalyptic number.

9958668599 is a deficient number, since it is larger than the sum of its proper divisors (907496521).

9958668599 is a wasteful number, since it uses less digits than its factorization.

9958668599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180261.

The product of its digits is 377913600, while the sum is 74.

The square root of 9958668599 is about 99793.1290169819. The cubic root of 9958668599 is about 2151.4623978262.

The spelling of 9958668599 in words is "nine billion, nine hundred fifty-eight million, six hundred sixty-eight thousand, five hundred ninety-nine".