9960087643 has 4 divisors (see below), whose sum is σ = 10865550168. Its totient is φ = 9054625120.

The previous prime is 9960087637. The next prime is 9960087691. The reversal of 9960087643 is 3467800699.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3467800699 = 11 ⋅315254609.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9960087643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9960087443) 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, 452731246 + ... + 452731267.

It is an arithmetic number, because the mean of its divisors is an integer number (2716387542).

Almost surely, 2^9960087643 is an apocalyptic number.

9960087643 is a deficient number, since it is larger than the sum of its proper divisors (905462525).

9960087643 is a wasteful number, since it uses less digits than its factorization.

9960087643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905462524.

The product of its (nonzero) digits is 1959552, while the sum is 52.

The square root of 9960087643 is about 99800.2386920993. The cubic root of 9960087643 is about 2151.5645826640.

The spelling of 9960087643 in words is "nine billion, nine hundred sixty million, eighty-seven thousand, six hundred forty-three".