9937729986 has 8 divisors (see below), whose sum is σ = 19875459984. Its totient is φ = 3312576660.

The previous prime is 9937729973. The next prime is 9937729993. The reversal of 9937729986 is 6899277399.

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

9937729986 is an admirable number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 9937729986.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 828144160 + ... + 828144171.

It is an arithmetic number, because the mean of its divisors is an integer number (2484432498).

Almost surely, 2^9937729986 is an apocalyptic number.

9937729986 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9937729986 is a wasteful number, since it uses less digits than its factorization.

9937729986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1656288336.

The product of its digits is 92588832, while the sum is 69.

The square root of 9937729986 is about 99688.1637206745. The cubic root of 9937729986 is about 2149.9534863563.

The spelling of 9937729986 in words is "nine billion, nine hundred thirty-seven million, seven hundred twenty-nine thousand, nine hundred eighty-six".