108931899 has 8 divisors (see below), whose sum is σ = 145353232. Its totient is φ = 72565920.

The previous prime is 108931847. The next prime is 108931913. The reversal of 108931899 is 998139801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 108931899 - 2¹¹ = 108929851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108931829) 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 7 ways as a sum of consecutive naturals, for example, 9004 + ... + 17289.

It is an arithmetic number, because the mean of its divisors is an integer number (18169154).

Almost surely, 2^108931899 is an apocalyptic number.

108931899 is a deficient number, since it is larger than the sum of its proper divisors (36421333).

108931899 is a wasteful number, since it uses less digits than its factorization.

108931899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27677.

The product of its (nonzero) digits is 139968, while the sum is 48.

The square root of 108931899 is about 10437.0445529374. The cubic root of 108931899 is about 477.5861146004.

The spelling of 108931899 in words is "one hundred eight million, nine hundred thirty-one thousand, eight hundred ninety-nine".