9889862100 has 36 divisors (see below), whose sum is σ = 28614668544. Its totient is φ = 2637296480.

The previous prime is 9889862089. The next prime is 9889862113. The reversal of 9889862100 is 12689889.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16482804 + ... + 16483403.

It is an arithmetic number, because the mean of its divisors is an integer number (794851904).

Almost surely, 2^9889862100 is an apocalyptic number.

It is an amenable number.

9889862100 is an abundant number, since it is smaller than the sum of its proper divisors (18724806444).

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

9889862100 is a wasteful number, since it uses less digits than its factorization.

9889862100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32966224 (or 32966217 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 51.

The square root of 9889862100 is about 99447.7857973721. The cubic root of 9889862100 is about 2146.4959761125.

The spelling of 9889862100 in words is "nine billion, eight hundred eighty-nine million, eight hundred sixty-two thousand, one hundred".