9287287873573 has 4 divisors (see below), whose sum is σ = 9425904110560. Its totient is φ = 9148671636588.

The previous prime is 9287287873561. The next prime is 9287287873601. The reversal of 9287287873573 is 3753787827829.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9287287873573 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 9287287873573.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9287287873673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69308118393 + ... + 69308118526.

It is an arithmetic number, because the mean of its divisors is an integer number (2356476027640).

Almost surely, 2^{9287287873573} is an apocalyptic number.

It is an amenable number.

9287287873573 is a deficient number, since it is larger than the sum of its proper divisors (138616236987).

9287287873573 is a wasteful number, since it uses less digits than its factorization.

9287287873573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138616236986.

The product of its digits is 1991485440, while the sum is 76.

The spelling of 9287287873573 in words is "nine trillion, two hundred eighty-seven billion, two hundred eighty-seven million, eight hundred seventy-three thousand, five hundred seventy-three".