108391882 has 4 divisors (see below), whose sum is σ = 162587826. Its totient is φ = 54195940.

The previous prime is 108391873. The next prime is 108391931. The reversal of 108391882 is 288193801.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 104019601 + 4372281 = 10199^2 + 2091^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 27097969 + ... + 27097972.

Almost surely, 2^108391882 is an apocalyptic number.

108391882 is a deficient number, since it is larger than the sum of its proper divisors (54195944).

108391882 is an equidigital number, since it uses as much as digits as its factorization.

108391882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54195943.

The product of its (nonzero) digits is 27648, while the sum is 40.

The square root of 108391882 is about 10411.1422043885. The cubic root of 108391882 is about 476.7956146702.

It can be divided in two parts, 10839 and 1882, that added together give a palindrome (12721).

The spelling of 108391882 in words is "one hundred eight million, three hundred ninety-one thousand, eight hundred eighty-two".