108963999 has 12 divisors (see below), whose sum is σ = 166651056. Its totient is φ = 68369472.

The previous prime is 108963983. The next prime is 108964007. The reversal of 108963999 is 999369801.

It is not a de Polignac number, because 108963999 - 2⁴ = 108963983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108963929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 355939 + ... + 356244.

It is an arithmetic number, because the mean of its divisors is an integer number (13887588).

Almost surely, 2^108963999 is an apocalyptic number.

108963999 is a deficient number, since it is larger than the sum of its proper divisors (57687057).

108963999 is a wasteful number, since it uses less digits than its factorization.

108963999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712206 (or 712203 counting only the distinct ones).

The product of its (nonzero) digits is 944784, while the sum is 54.

The square root of 108963999 is about 10438.5822313186. The cubic root of 108963999 is about 477.6330216093.

The spelling of 108963999 in words is "one hundred eight million, nine hundred sixty-three thousand, nine hundred ninety-nine".