9988303537 has 2 divisors, whose sum is σ = 9988303538. Its totient is φ = 9988303536.

The previous prime is 9988303397. The next prime is 9988303583. The reversal of 9988303537 is 7353038899.

It is a happy number.

9988303537 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9237324321 + 750979216 = 96111^2 + 27404^2 .

It is a cyclic number.

It is not a de Polignac number, because 9988303537 - 2²³ = 9979914929 is a prime.

It is not a weakly prime, because it can be changed into another prime (9988303937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4994151768 + 4994151769.

It is an arithmetic number, because the mean of its divisors is an integer number (4994151769).

Almost surely, 2^9988303537 is an apocalyptic number.

It is an amenable number.

9988303537 is a deficient number, since it is larger than the sum of its proper divisors (1).

9988303537 is an equidigital number, since it uses as much as digits as its factorization.

9988303537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4898880, while the sum is 55.

The square root of 9988303537 is about 99941.5005740858. The cubic root of 9988303537 is about 2153.5943868062.

The spelling of 9988303537 in words is "nine billion, nine hundred eighty-eight million, three hundred three thousand, five hundred thirty-seven".