9796996979 has 16 divisors (see below), whose sum is σ = 12268267776. Its totient is φ = 7600380000.

The previous prime is 9796996967. The next prime is 9796996987.

It is a happy number.

9796996979 is nontrivially palindromic in base 10.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9796996979 is a prime.

It is a super-2 number, since 2×9796996979² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9796996919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262772 + ... + 297729.

It is an arithmetic number, because the mean of its divisors is an integer number (766766736).

Almost surely, 2^9796996979 is an apocalyptic number.

9796996979 is a deficient number, since it is larger than the sum of its proper divisors (2471270797).

9796996979 is a wasteful number, since it uses less digits than its factorization.

9796996979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560746.

The product of its digits is 937461924, while the sum is 80.

The square root of 9796996979 is about 98979.7806574656. The cubic root of 9796996979 is about 2139.7563541140.

The spelling of 9796996979 in words is "nine billion, seven hundred ninety-six million, nine hundred ninety-six thousand, nine hundred seventy-nine".