it is 345678904245 (345 billion, 678 million, 904 thousand and 245)
1% = 1/100 =.01 multiply .01 x 34.5 billion = .345 billion or 345 million (345,000,000)
1 + 55 + 345 + 87 + 98 = 586
45 billion, 672 million, 345 thousand, 618
345 + 890 + 549 = 1784
2 + 345 = 347
200 + 345 = 545
345 + 67797808 = 67798153
325 + 345 = 670
345 + 253 = 598
345 + 890 = 1235
55555555 + 345 = 55555900