9988753 has 2 divisors, whose sum is σ = 9988754. Its totient is φ = 9988752.

The previous prime is 9988747. The next prime is 9988757. The reversal of 9988753 is 3578899.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6115729 + 3873024 = 2473^2 + 1968^2 .

It is a cyclic number.

It is not a de Polignac number, because 9988753 - 2⁵ = 9988721 is a prime.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 9988697 and 9988706.

It is not a weakly prime, because it can be changed into another prime (9988757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4994376 + 4994377.

It is an arithmetic number, because the mean of its divisors is an integer number (4994377).

Almost surely, 2^9988753 is an apocalyptic number.

It is an amenable number.

9988753 is a deficient number, since it is larger than the sum of its proper divisors (1).

9988753 is an equidigital number, since it uses as much as digits as its factorization.

9988753 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 49.

The square root of 9988753 is about 3160.4988530294. The cubic root of 9988753 is about 215.3626689471.

The spelling of 9988753 in words is "nine million, nine hundred eighty-eight thousand, seven hundred fifty-three".