9968558699 has 8 divisors (see below), whose sum is σ = 10880260848. Its totient is φ = 9057768160.

The previous prime is 9968558693. The next prime is 9968558713.

9968558699 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 9968558699 - 2⁴ = 9968558683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9968558693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204932 + ... + 248865.

It is an arithmetic number, because the mean of its divisors is an integer number (1360032606).

Almost surely, 2^9968558699 is an apocalyptic number.

9968558699 is a deficient number, since it is larger than the sum of its proper divisors (911702149).

9968558699 is a wasteful number, since it uses less digits than its factorization.

9968558699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455805.

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

The square root of 9968558699 is about 99842.6697309322. The cubic root of 9968558699 is about 2152.1743784838.

The spelling of 9968558699 in words is "nine billion, nine hundred sixty-eight million, five hundred fifty-eight thousand, six hundred ninety-nine".