9979339799 has 8 divisors (see below), whose sum is σ = 11723979792. Its totient is φ = 8374271040.

The previous prime is 9979339717. The next prime is 9979339837.

9979339799 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9979339799 - 2²⁴ = 9962562583 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 (9979335799) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34892654 + ... + 34892939.

It is an arithmetic number, because the mean of its divisors is an integer number (1465497474).

Almost surely, 2^9979339799 is an apocalyptic number.

9979339799 is a deficient number, since it is larger than the sum of its proper divisors (1744639993).

9979339799 is a wasteful number, since it uses less digits than its factorization.

9979339799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69785617.

The product of its digits is 234365481, while the sum is 74.

The square root of 9979339799 is about 99896.6455843238. The cubic root of 9979339799 is about 2152.9499652803.

The spelling of 9979339799 in words is "nine billion, nine hundred seventy-nine million, three hundred thirty-nine thousand, seven hundred ninety-nine".