9975079 has 2 divisors, whose sum is σ = 9975080. Its totient is φ = 9975078.

The previous prime is 9975067. The next prime is 9975109. The reversal of 9975079 is 9705799.

It is a weak prime.

It is an emirp because it is prime and its reverse (9705799) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9975079 - 2¹⁵ = 9942311 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9975029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4987539 + 4987540.

It is an arithmetic number, because the mean of its divisors is an integer number (4987540).

Almost surely, 2^9975079 is an apocalyptic number.

9975079 is a deficient number, since it is larger than the sum of its proper divisors (1).

9975079 is an equidigital number, since it uses as much as digits as its factorization.

9975079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 178605, while the sum is 46.

The square root of 9975079 is about 3158.3348460858. The cubic root of 9975079 is about 215.2643512379.

The spelling of 9975079 in words is "nine million, nine hundred seventy-five thousand, seventy-nine".