9900757 has 2 divisors, whose sum is σ = 9900758. Its totient is φ = 9900756.

The previous prime is 9900733. The next prime is 9900769. The reversal of 9900757 is 7570099.

9900757 is digitally balanced in base 2, because in such base 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., 9771876 + 128881 = 3126^2 + 359^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9900757 is a prime.

9900757 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9900857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4950378 + 4950379.

It is an arithmetic number, because the mean of its divisors is an integer number (4950379).

Almost surely, 2^9900757 is an apocalyptic number.

It is an amenable number.

9900757 is a deficient number, since it is larger than the sum of its proper divisors (1).

9900757 is an equidigital number, since it uses as much as digits as its factorization.

9900757 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19845, while the sum is 37.

The square root of 9900757 is about 3146.5468374076. The cubic root of 9900757 is about 214.7283896664.

The spelling of 9900757 in words is "nine million, nine hundred thousand, seven hundred fifty-seven".