9976628201 has 2 divisors, whose sum is σ = 9976628202. Its totient is φ = 9976628200.

The previous prime is 9976628173. The next prime is 9976628209. The reversal of 9976628201 is 1028266799.

It is a happy number.

9976628201 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., 9238093225 + 738534976 = 96115^2 + 27176^2 .

It is a cyclic number.

It is not a de Polignac number, because 9976628201 - 2²² = 9972433897 is a prime.

It is a super-2 number, since 2×9976628201² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9976628201.

It is not a weakly prime, because it can be changed into another prime (9976628209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4988314100 + 4988314101.

It is an arithmetic number, because the mean of its divisors is an integer number (4988314101).

Almost surely, 2^9976628201 is an apocalyptic number.

It is an amenable number.

9976628201 is a deficient number, since it is larger than the sum of its proper divisors (1).

9976628201 is an equidigital number, since it uses as much as digits as its factorization.

9976628201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 9976628201 is about 99883.0726449682. The cubic root of 9976628201 is about 2152.7549469130.

The spelling of 9976628201 in words is "nine billion, nine hundred seventy-six million, six hundred twenty-eight thousand, two hundred one".