108308085 has 16 divisors (see below), whose sum is σ = 173638080. Its totient is φ = 57649280.

The previous prime is 108308059. The next prime is 108308087. The reversal of 108308085 is 580803801.

It is not a de Polignac number, because 108308085 - 2¹⁰ = 108307061 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108308087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 886 + ... + 14744.

It is an arithmetic number, because the mean of its divisors is an integer number (10852380).

Almost surely, 2^108308085 is an apocalyptic number.

108308085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

108308085 is a deficient number, since it is larger than the sum of its proper divisors (65329995).

108308085 is a wasteful number, since it uses less digits than its factorization.

108308085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14388.

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 108308085 is about 10407.1170359519. The cubic root of 108308085 is about 476.6727138838.

It can be divided in two parts, 10830 and 8085, that added together give a triangular number (18915 = T₁₉₄).

The spelling of 108308085 in words is "one hundred eight million, three hundred eight thousand, eighty-five".