9368886638 has 16 divisors (see below), whose sum is σ = 14321533536. Its totient is φ = 4595079840.

The previous prime is 9368886601. The next prime is 9368886713. The reversal of 9368886638 is 8366888639.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 980303 + ... + 989813.

It is an arithmetic number, because the mean of its divisors is an integer number (895095846).

Almost surely, 2^9368886638 is an apocalyptic number.

9368886638 is a deficient number, since it is larger than the sum of its proper divisors (4952646898).

9368886638 is a wasteful number, since it uses less digits than its factorization.

9368886638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18859.

The product of its digits is 71663616, while the sum is 65.

The square root of 9368886638 is about 96793.0092413703. The cubic root of 9368886638 is about 2108.1232338867.

The spelling of 9368886638 in words is "nine billion, three hundred sixty-eight million, eight hundred eighty-six thousand, six hundred thirty-eight".