9823455797 has 8 divisors (see below), whose sum is σ = 10409988312. Its totient is φ = 9237888000.

The previous prime is 9823455773. The next prime is 9823455827. The reversal of 9823455797 is 7975543289.

It can be written as a sum of positive squares in 4 ways, for example, as 1922734801 + 7900720996 = 43849^2 + 88886^2 .

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 9823455797 - 2⁸ = 9823455541 is a prime.

It is a super-2 number, since 2×9823455797² (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 (9823455757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220154 + ... + 260987.

It is an arithmetic number, because the mean of its divisors is an integer number (1301248539).

Almost surely, 2^9823455797 is an apocalyptic number.

It is an amenable number.

9823455797 is a deficient number, since it is larger than the sum of its proper divisors (586532515).

9823455797 is a wasteful number, since it uses less digits than its factorization.

9823455797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482359.

The product of its digits is 19051200, while the sum is 59.

The square root of 9823455797 is about 99113.3482281776. The cubic root of 9823455797 is about 2141.6809075654.

The spelling of 9823455797 in words is "nine billion, eight hundred twenty-three million, four hundred fifty-five thousand, seven hundred ninety-seven".