9109438808 has 32 divisors (see below), whose sum is σ = 17323675200. Its totient is φ = 4489974528.

The previous prime is 9109438801. The next prime is 9109438817. The reversal of 9109438808 is 8088349019.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9109438801) 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, 401660 + ... + 423732.

It is an arithmetic number, because the mean of its divisors is an integer number (541364850).

Almost surely, 2^9109438808 is an apocalyptic number.

It is an amenable number.

9109438808 is a deficient number, since it is larger than the sum of its proper divisors (8214236392).

9109438808 is a wasteful number, since it uses less digits than its factorization.

9109438808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22811 (or 22807 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 50.

The square root of 9109438808 is about 95443.3801161715. The cubic root of 9109438808 is about 2088.4810593073.

The spelling of 9109438808 in words is "nine billion, one hundred nine million, four hundred thirty-eight thousand, eight hundred eight".