Adding to 98765432100 its reverse (123456789), we get a palindrome (98888888889).
98765432100 is a `hidden beast` number, since 9 + 87 + 6 + 543 + 21 + 0 + 0 = 666.
It is a nialpdrome in base 10.
It is an unprimeable number.
Almost surely, 298765432100 is an apocalyptic number.
98765432100 is a gapful number since it is divisible by the number (90) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 98765432100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164428549467).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
98765432100 is a wasteful number, since it uses less digits than its factorization.
98765432100 is an evil number, because the sum of its binary digits is even.
The spelling of 98765432100 in words is "ninety-eight billion, seven hundred sixty-five million, four hundred thirty-two thousand, one hundred".