9788668879 has 16 divisors (see below), whose sum is σ = 10874304000. Its totient is φ = 8736923520.

The previous prime is 9788668871. The next prime is 9788668889.

9788668879 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 9788668879 - 2³ = 9788668871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9788668871) 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, 124087 + ... + 187015.

It is an arithmetic number, because the mean of its divisors is an integer number (679644000).

Almost surely, 2^9788668879 is an apocalyptic number.

9788668879 is a deficient number, since it is larger than the sum of its proper divisors (1085635121).

9788668879 is a wasteful number, since it uses less digits than its factorization.

9788668879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63198.

The product of its digits is 585252864, while the sum is 76.

The square root of 9788668879 is about 98937.7020099012. The cubic root of 9788668879 is about 2139.1498704217.

The spelling of 9788668879 in words is "nine billion, seven hundred eighty-eight million, six hundred sixty-eight thousand, eight hundred seventy-nine".