9738997223 has 4 divisors (see below), whose sum is σ = 9739539888. Its totient is φ = 9738454560.

The previous prime is 9738997211. The next prime is 9738997243. The reversal of 9738997223 is 3227998379.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9738997223 - 2⁴ = 9738997207 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 (9738997243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243458 + ... + 280623.

It is an arithmetic number, because the mean of its divisors is an integer number (2434884972).

Almost surely, 2^9738997223 is an apocalyptic number.

9738997223 is a deficient number, since it is larger than the sum of its proper divisors (542665).

9738997223 is a wasteful number, since it uses less digits than its factorization.

9738997223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542664.

The product of its digits is 10287648, while the sum is 59.

The square root of 9738997223 is about 98686.3578363291. The cubic root of 9738997223 is about 2135.5254296417.

The spelling of 9738997223 in words is "nine billion, seven hundred thirty-eight million, nine hundred ninety-seven thousand, two hundred twenty-three".