8678978968 has 24 divisors (see below), whose sum is σ = 17754244740. Its totient is φ = 3944593200.

The previous prime is 8678978911. The next prime is 8678978977. The reversal of 8678978968 is 8698798768.

It is a junction number, because it is equal to n+sod(n) for n = 8678978894 and 8678978903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 868963 + ... + 878893.

Almost surely, 2^8678978968 is an apocalyptic number.

8678978968 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

8678978968 is an abundant number, since it is smaller than the sum of its proper divisors (9075265772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8678978968 is an frugal number, since it uses more digits than its factorization.

8678978968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19879 (or 9944 counting only the distinct ones).

The product of its digits is 585252864, while the sum is 76.

The square root of 8678978968 is about 93161.0378216130. The cubic root of 8678978968 is about 2055.0522986988.

The spelling of 8678978968 in words is "eight billion, six hundred seventy-eight million, nine hundred seventy-eight thousand, nine hundred sixty-eight".