9975286807 has 2 divisors, whose sum is σ = 9975286808. Its totient is φ = 9975286806.

The previous prime is 9975286793. The next prime is 9975286823. The reversal of 9975286807 is 7086825799.

It is a weak prime.

It is an emirp because it is prime and its reverse (7086825799) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9975286807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9975286847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4987643403 + 4987643404.

It is an arithmetic number, because the mean of its divisors is an integer number (4987643404).

Almost surely, 2^9975286807 is an apocalyptic number.

9975286807 is a deficient number, since it is larger than the sum of its proper divisors (1).

9975286807 is an equidigital number, since it uses as much as digits as its factorization.

9975286807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15240960, while the sum is 61.

The square root of 9975286807 is about 99876.3575977819. The cubic root of 9975286807 is about 2152.6584606740.

The spelling of 9975286807 in words is "nine billion, nine hundred seventy-five million, two hundred eighty-six thousand, eight hundred seven".