8986987100 has 432 divisors, whose sum is σ = 26606609568. Its totient is φ = 2601123840.

The previous prime is 8986987069. The next prime is 8986987109. The reversal of 8986987100 is 17896898.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8986987109) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 46564604 + ... + 46564796.

It is an arithmetic number, because the mean of its divisors is an integer number (61589374).

Almost surely, 2^8986987100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8986987100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13303304784).

8986987100 is an abundant number, since it is smaller than the sum of its proper divisors (17619622468).

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

8986987100 is a wasteful number, since it uses less digits than its factorization.

8986987100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294 (or 280 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 56.

The square root of 8986987100 is about 94799.7209911506. The cubic root of 8986987100 is about 2079.0808238332.

The spelling of 8986987100 in words is "eight billion, nine hundred eighty-six million, nine hundred eighty-seven thousand, one hundred".