9937505889 has 12 divisors (see below), whose sum is σ = 14360234772. Its totient is φ = 6622207200.

The previous prime is 9937505863. The next prime is 9937505891. The reversal of 9937505889 is 9885057399.

9937505889 is a `hidden beast` number, since 99 + 37 + 505 + 8 + 8 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1729145889 + 8208360000 = 41583^2 + 90600^2 .

It is not a de Polignac number, because 9937505889 - 2⁵ = 9937505857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9937105889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 210442 + ... + 253299.

It is an arithmetic number, because the mean of its divisors is an integer number (1196686231).

Almost surely, 2^9937505889 is an apocalyptic number.

It is an amenable number.

9937505889 is a deficient number, since it is larger than the sum of its proper divisors (4422728883).

9937505889 is a wasteful number, since it uses less digits than its factorization.

9937505889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466128 (or 466125 counting only the distinct ones).

The product of its (nonzero) digits is 24494400, while the sum is 63.

The square root of 9937505889 is about 99687.0397243293. The cubic root of 9937505889 is about 2149.9373256653.

The spelling of 9937505889 in words is "nine billion, nine hundred thirty-seven million, five hundred five thousand, eight hundred eighty-nine".