9937446668 has 18 divisors (see below), whose sum is σ = 17825048388. Its totient is φ = 4847531680.

The previous prime is 9937446667. The next prime is 9937446731. The reversal of 9937446668 is 8666447399.

It is a self number, because there is not a number n which added to its sum of digits gives 9937446668.

It is not an unprimeable number, because it can be changed into a prime (9937446667) 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 5 ways as a sum of consecutive naturals, for example, 732230 + ... + 745677.

It is an arithmetic number, because the mean of its divisors is an integer number (990280466).

Almost surely, 2^9937446668 is an apocalyptic number.

It is an amenable number.

9937446668 is a deficient number, since it is larger than the sum of its proper divisors (7887601720).

9937446668 is a wasteful number, since it uses less digits than its factorization.

9937446668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1477993 (or 1477950 counting only the distinct ones).

The product of its digits is 47029248, while the sum is 62.

The square root of 9937446668 is about 99686.7426892864. The cubic root of 9937446668 is about 2149.9330549193.

The spelling of 9937446668 in words is "nine billion, nine hundred thirty-seven million, four hundred forty-six thousand, six hundred sixty-eight".