9979339800 has 96 divisors (see below), whose sum is σ = 30958174800. Its totient is φ = 2659246080.

The previous prime is 9979339717. The next prime is 9979339837. The reversal of 9979339800 is 89339799.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 960232 + ... + 970568.

Almost surely, 2^9979339800 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9979339800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15479087400).

9979339800 is an abundant number, since it is smaller than the sum of its proper divisors (20978835000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9979339800 is a wasteful number, since it uses less digits than its factorization.

9979339800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11965 (or 11956 counting only the distinct ones).

The product of its (nonzero) digits is 3306744, while the sum is 57.

The square root of 9979339800 is about 99896.6455893290. The cubic root of 9979339800 is about 2152.9499653522.

The spelling of 9979339800 in words is "nine billion, nine hundred seventy-nine million, three hundred thirty-nine thousand, eight hundred".