9975775799 has 8 divisors (see below), whose sum is σ = 11031742992. Its totient is φ = 8944655040.

The previous prime is 9975775793. The next prime is 9975775819.

9975775799 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 9975775799 - 2⁴ = 9975775783 is a prime.

It is a super-2 number, since 2×9975775799² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9975775793) 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, 6210764 + ... + 6212369.

It is an arithmetic number, because the mean of its divisors is an integer number (1378967874).

Almost surely, 2^9975775799 is an apocalyptic number.

9975775799 is a deficient number, since it is larger than the sum of its proper divisors (1055967193).

9975775799 is a wasteful number, since it uses less digits than its factorization.

9975775799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12423217.

The product of its digits is 393824025, while the sum is 74.

The square root of 9975775799 is about 99878.8055545319. The cubic root of 9975775799 is about 2152.6936347860.

The spelling of 9975775799 in words is "nine billion, nine hundred seventy-five million, seven hundred seventy-five thousand, seven hundred ninety-nine".