108388863 has 48 divisors (see below), whose sum is σ = 186076800. Its totient is φ = 60056640.

The previous prime is 108388859. The next prime is 108388877. The reversal of 108388863 is 368883801.

It is not a de Polignac number, because 108388863 - 2² = 108388859 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108388883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53556 + ... + 55542.

It is an arithmetic number, because the mean of its divisors is an integer number (3876600).

Almost surely, 2^108388863 is an apocalyptic number.

108388863 is a deficient number, since it is larger than the sum of its proper divisors (77687937).

108388863 is a wasteful number, since it uses less digits than its factorization.

108388863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2052 (or 2049 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 108388863 is about 10410.9972144843. The cubic root of 108388863 is about 476.7911879570.

It can be divided in two parts, 10838 and 8863, that added together give a triangular number (19701 = T₁₉₈).

The spelling of 108388863 in words is "one hundred eight million, three hundred eighty-eight thousand, eight hundred sixty-three".