9217972303 has 8 divisors (see below), whose sum is σ = 9704710400. Its totient is φ = 8731392408.

The previous prime is 9217972297. The next prime is 9217972327. The reversal of 9217972303 is 3032797129.

9217972303 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9217972303 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9217972303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9217972333) 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, 91168 + ... + 163546.

It is an arithmetic number, because the mean of its divisors is an integer number (1213088800).

Almost surely, 2^9217972303 is an apocalyptic number.

9217972303 is a deficient number, since it is larger than the sum of its proper divisors (486738097).

9217972303 is a wasteful number, since it uses less digits than its factorization.

9217972303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79101.

The product of its (nonzero) digits is 142884, while the sum is 43.

The square root of 9217972303 is about 96010.2718619211. The cubic root of 9217972303 is about 2096.7426676654.

The spelling of 9217972303 in words is "nine billion, two hundred seventeen million, nine hundred seventy-two thousand, three hundred three".