9879970911 has 8 divisors (see below), whose sum is σ = 13866625920. Its totient is φ = 6239981592.

The previous prime is 9879970897. The next prime is 9879970913. The reversal of 9879970911 is 1190799789.

9879970911 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 9879970911 - 2¹⁵ = 9879938143 is a prime.

It is a super-2 number, since 2×9879970911² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9879970913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86666355 + ... + 86666468.

It is an arithmetic number, because the mean of its divisors is an integer number (1733328240).

Almost surely, 2^9879970911 is an apocalyptic number.

9879970911 is a deficient number, since it is larger than the sum of its proper divisors (3986655009).

9879970911 is a wasteful number, since it uses less digits than its factorization.

9879970911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173332845.

The product of its (nonzero) digits is 2571912, while the sum is 60.

The square root of 9879970911 is about 99398.0427926023. The cubic root of 9879970911 is about 2145.7801427608.

The spelling of 9879970911 in words is "nine billion, eight hundred seventy-nine million, nine hundred seventy thousand, nine hundred eleven".