1. **State the problem:** We need to find the sum of $46789456789$ and $778453289$.
2. **Write the addition expression:**
$$46789456789 + 778453289$$
3. **Add the numbers:**
$$46789456789 + 778453289 = 47567910078$$
4. **Final answer:**
The sum of $46789456789$ and $778453289$ is $47567910078$.
Large Number Addition F79Eb3
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