9786959879 has 4 divisors (see below), whose sum is σ = 9787174176. Its totient is φ = 9786745584.

The previous prime is 9786959863. The next prime is 9786959887. The reversal of 9786959879 is 9789596879.

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 9786959879 - 2⁴ = 9786959863 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 (9786958879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8159 + ... + 140144.

It is an arithmetic number, because the mean of its divisors is an integer number (2446793544).

Almost surely, 2^9786959879 is an apocalyptic number.

9786959879 is a deficient number, since it is larger than the sum of its proper divisors (214297).

9786959879 is a wasteful number, since it uses less digits than its factorization.

9786959879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214296.

The product of its digits is 617258880, while the sum is 77.

The square root of 9786959879 is about 98929.0648848962. The cubic root of 9786959879 is about 2139.0253720536.

The spelling of 9786959879 in words is "nine billion, seven hundred eighty-six million, nine hundred fifty-nine thousand, eight hundred seventy-nine".