It is: 978+8 = 986
Roman numeral for: 900=CM 70=LXX 8=VIII Therefore: 978= CMLXXVIII
The ISBN of With Women is 978-0975164-5-8.
The ISBN for "Paper Towns" by John Green is 978-0525478188.
Every number is divisible by any non-zero number.The prime factorisation is 978 = 2*3*163 so it has 8 factors.
The ISBN of The Insult is 978-0-7475-2601-8.
The ISBN of Quofum is 978-0-345-49605-8.
The ISBN of My Driver is 978-1-84659-052-8.
The ISBN of Slights is 978-0-00-732242-8.
The ISBN of Dravyasamgraha is 978-81-88769-30-8.
The ISBN-13 for "The Caryatids" by Bruce Sterling is 978-0-340-81525-8.
25% of 978= 25% * 978= 0.25 * 978= 244.5