108009856 has 32 divisors (see below), whose sum is σ = 215699400. Its totient is φ = 53873664.

The previous prime is 108009821. The next prime is 108009871. The reversal of 108009856 is 658900801.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×108009856² = 23332257986281472, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72091 + ... + 73573.

Almost surely, 2^108009856 is an apocalyptic number.

108009856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

108009856 is a deficient number, since it is larger than the sum of its proper divisors (107689544).

108009856 is an equidigital number, since it uses as much as digits as its factorization.

108009856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2066 (or 2054 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 37.

The square root of 108009856 is about 10392.7790316161. The cubic root of 108009856 is about 476.2348016542.

The spelling of 108009856 in words is "one hundred eight million, nine thousand, eight hundred fifty-six".