98987678 is an esthetic number in base 10, because in such base it adjacent digits differ by 1.
It is a sphenic number, since it is the product of 3 distinct primes.
It is an alternating number because its digits alternate between odd and even.
It is a self number, because there is not a number n which added to its sum of digits gives 98987678.
It is a congruent number.
Almost surely, 298987678 is an apocalyptic number.
98987678 is a wasteful number, since it uses less digits than its factorization.
98987678 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15882.
The square root of 98987678 is about 9949.2551479998. The cubic root of 98987678 is about 462.5873074038.
The spelling of 98987678 in words is "ninety-eight million, nine hundred eighty-seven thousand, six hundred seventy-eight".