9732987447 has 32 divisors (see below), whose sum is σ = 13581582336. Its totient is φ = 6192607200.

The previous prime is 9732987437. The next prime is 9732987449. The reversal of 9732987447 is 7447892379.

It is not a de Polignac number, because 9732987447 - 2¹⁰ = 9732986423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9732987449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7957678 + ... + 7958900.

It is an arithmetic number, because the mean of its divisors is an integer number (424424448).

Almost surely, 2^9732987447 is an apocalyptic number.

9732987447 is a deficient number, since it is larger than the sum of its proper divisors (3848594889).

9732987447 is a wasteful number, since it uses less digits than its factorization.

9732987447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2371.

The product of its digits is 21337344, while the sum is 60.

The square root of 9732987447 is about 98655.9042683204. The cubic root of 9732987447 is about 2135.0860733105.

The spelling of 9732987447 in words is "nine billion, seven hundred thirty-two million, nine hundred eighty-seven thousand, four hundred forty-seven".