9959973237 has 24 divisors (see below), whose sum is σ = 14887735200. Its totient is φ = 6408856608.

The previous prime is 9959973203. The next prime is 9959973241. The reversal of 9959973237 is 7323799599.

It is a happy number.

9959973237 is a `hidden beast` number, since 9 + 9 + 599 + 7 + 3 + 2 + 37 = 666.

It is not a de Polignac number, because 9959973237 - 2⁶ = 9959973173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9959973637) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1207714 + ... + 1215932.

It is an arithmetic number, because the mean of its divisors is an integer number (620322300).

Almost surely, 2^9959973237 is an apocalyptic number.

It is an amenable number.

9959973237 is a deficient number, since it is larger than the sum of its proper divisors (4927761963).

9959973237 is a wasteful number, since it uses less digits than its factorization.

9959973237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12897 (or 12894 counting only the distinct ones).

The product of its digits is 28934010, while the sum is 63.

The square root of 9959973237 is about 99799.6655154715. The cubic root of 9959973237 is about 2151.5563446896.

The spelling of 9959973237 in words is "nine billion, nine hundred fifty-nine million, nine hundred seventy-three thousand, two hundred thirty-seven".