A single number, such as 12848384 does not make a series.
A single number, such as 364758 does not describe a sequence, nor a series.
285
108
108
59 is the next number in this series.
The next number in the series is 67.
A single number such as 61205041320 does not make a series.
A single number, such as 12848384 does not make a series.
One number does not make a sequence (nor a series).
There is no series of number: just one very large number!
73791170
8
243
25
108
20