9976065211 has 4 divisors (see below), whose sum is σ = 11401217392. Its totient is φ = 8550913032.

The previous prime is 9976065193. The next prime is 9976065271. The reversal of 9976065211 is 1125606799.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9976065211 - 2²³ = 9967676603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9976065271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 712576080 + ... + 712576093.

It is an arithmetic number, because the mean of its divisors is an integer number (2850304348).

Almost surely, 2^9976065211 is an apocalyptic number.

9976065211 is a deficient number, since it is larger than the sum of its proper divisors (1425152181).

9976065211 is a wasteful number, since it uses less digits than its factorization.

9976065211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425152180.

The product of its (nonzero) digits is 204120, while the sum is 46.

The square root of 9976065211 is about 99880.2543599084. The cubic root of 9976065211 is about 2152.7144521927.

The spelling of 9976065211 in words is "nine billion, nine hundred seventy-six million, sixty-five thousand, two hundred eleven".