108866720 has 24 divisors (see below), whose sum is σ = 257198004. Its totient is φ = 43546624.

The previous prime is 108866683. The next prime is 108866729. The reversal of 108866720 is 27668801.

It can be written as a sum of positive squares in 2 ways, for example, as 108409744 + 456976 = 10412^2 + 676^2 .

It is not an unprimeable number, because it can be changed into a prime (108866729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340049 + ... + 340368.

Almost surely, 2^108866720 is an apocalyptic number.

108866720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108866720 is an abundant number, since it is smaller than the sum of its proper divisors (148331284).

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

108866720 is an equidigital number, since it uses as much as digits as its factorization.

108866720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680432 (or 680424 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 108866720 is about 10433.9216021590. The cubic root of 108866720 is about 477.4908416324.

The spelling of 108866720 in words is "one hundred eight million, eight hundred sixty-six thousand, seven hundred twenty".