9905555084 has 12 divisors (see below), whose sum is σ = 18088405104. Its totient is φ = 4737439344.

The previous prime is 9905555081. The next prime is 9905555111. The reversal of 9905555084 is 4805555099.

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

It is not an unprimeable number, because it can be changed into a prime (9905555081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53834447 + ... + 53834630.

It is an arithmetic number, because the mean of its divisors is an integer number (1507367092).

Almost surely, 2^9905555084 is an apocalyptic number.

It is an amenable number.

9905555084 is a deficient number, since it is larger than the sum of its proper divisors (8182850020).

9905555084 is a wasteful number, since it uses less digits than its factorization.

9905555084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107669104 (or 107669102 counting only the distinct ones).

The product of its (nonzero) digits is 1620000, while the sum is 50.

The square root of 9905555084 is about 99526.6551432329. The cubic root of 9905555084 is about 2147.6307113785.

The spelling of 9905555084 in words is "nine billion, nine hundred five million, five hundred fifty-five thousand, eighty-four".