9872119930 has 16 divisors (see below), whose sum is σ = 17782708104. Its totient is φ = 3945983040.

The previous prime is 9872119879. The next prime is 9872119951. The reversal of 9872119930 is 399112789.

It can be written as a sum of positive squares in 4 ways, for example, as 4350589681 + 5521530249 = 65959^2 + 74307^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343617 + ... + 371236.

Almost surely, 2^9872119930 is an apocalyptic number.

9872119930 is a deficient number, since it is larger than the sum of its proper divisors (7910588174).

9872119930 is a wasteful number, since it uses less digits than its factorization.

9872119930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716241.

The product of its (nonzero) digits is 244944, while the sum is 49.

The square root of 9872119930 is about 99358.5423101607. The cubic root of 9872119930 is about 2145.2116207301.

The spelling of 9872119930 in words is "nine billion, eight hundred seventy-two million, one hundred nineteen thousand, nine hundred thirty".