9978553275532 has 12 divisors (see below), whose sum is σ = 17466494655960. Its totient is φ = 4988126230976.

The previous prime is 9978553275517. The next prime is 9978553275533. The reversal of 9978553275532 is 2355723558799.

It is not an unprimeable number, because it can be changed into a prime (9978553275533) 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, 287582182 + ... + 287616877.

It is an arithmetic number, because the mean of its divisors is an integer number (1455541221330).

Almost surely, 2^{9978553275532} is an apocalyptic number.

It is an amenable number.

9978553275532 is a deficient number, since it is larger than the sum of its proper divisors (7487941380428).

9978553275532 is a wasteful number, since it uses less digits than its factorization.

9978553275532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575203400 (or 575203398 counting only the distinct ones).

The product of its digits is 714420000, while the sum is 70.

The spelling of 9978553275532 in words is "nine trillion, nine hundred seventy-eight billion, five hundred fifty-three million, two hundred seventy-five thousand, five hundred thirty-two".