9979550387708 has 24 divisors (see below), whose sum is σ = 19494935644800. Its totient is φ = 4430667190320.

The previous prime is 9979550387707. The next prime is 9979550387819. The reversal of 9979550387708 is 8077830559799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9979550387701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2637300008 + ... + 2637303791.

It is an arithmetic number, because the mean of its divisors is an integer number (812288985200).

Almost surely, 2^{9979550387708} is an apocalyptic number.

It is an amenable number.

9979550387708 is a deficient number, since it is larger than the sum of its proper divisors (9515385257092).

9979550387708 is a wasteful number, since it uses less digits than its factorization.

9979550387708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5274603857 (or 5274603855 counting only the distinct ones).

The product of its (nonzero) digits is 1200225600, while the sum is 77.

The spelling of 9979550387708 in words is "nine trillion, nine hundred seventy-nine billion, five hundred fifty million, three hundred eighty-seven thousand, seven hundred eight".