9942577 has 2 divisors, whose sum is σ = 9942578. Its totient is φ = 9942576.

The previous prime is 9942571. The next prime is 9942587. The reversal of 9942577 is 7752499.

9942577 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8767521 + 1175056 = 2961^2 + 1084^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9942577 is a prime.

It is not a weakly prime, because it can be changed into another prime (9942571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4971288 + 4971289.

It is an arithmetic number, because the mean of its divisors is an integer number (4971289).

Almost surely, 2^9942577 is an apocalyptic number.

It is an amenable number.

9942577 is a deficient number, since it is larger than the sum of its proper divisors (1).

9942577 is an equidigital number, since it uses as much as digits as its factorization.

9942577 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 158760, while the sum is 43.

The square root of 9942577 is about 3153.1852149850. The cubic root of 9942577 is about 215.0302967942.

The spelling of 9942577 in words is "nine million, nine hundred forty-two thousand, five hundred seventy-seven".