9938999676 has 24 divisors (see below), whose sum is σ = 23194205440. Its totient is φ = 3312541872.

The previous prime is 9938999671. The next prime is 9938999677. The reversal of 9938999676 is 6769998399.

It is a junction number, because it is equal to n+sod(n) for n = 9938999598 and 9938999607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9938999671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39735 + ... + 146481.

Almost surely, 2^9938999676 is an apocalyptic number.

It is an amenable number.

9938999676 is an abundant number, since it is smaller than the sum of its proper divisors (13255205764).

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

9938999676 is a wasteful number, since it uses less digits than its factorization.

9938999676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114513 (or 114511 counting only the distinct ones).

The product of its digits is 357128352, while the sum is 75.

The square root of 9938999676 is about 99694.5318259733. The cubic root of 9938999676 is about 2150.0450450992.

The spelling of 9938999676 in words is "nine billion, nine hundred thirty-eight million, nine hundred ninety-nine thousand, six hundred seventy-six".