108085978 has 48 divisors (see below), whose sum is σ = 218932416. Its totient is φ = 38862720.

The previous prime is 108085973. The next prime is 108085979. The reversal of 108085978 is 879580801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108085973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23950 + ... + 28102.

It is an arithmetic number, because the mean of its divisors is an integer number (4561092).

Almost surely, 2^108085978 is an apocalyptic number.

108085978 is an abundant number, since it is smaller than the sum of its proper divisors (110846438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

108085978 is a wasteful number, since it uses less digits than its factorization.

108085978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4199 (or 4186 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 46.

The square root of 108085978 is about 10396.4406409117. The cubic root of 108085978 is about 476.3466538926.

The spelling of 108085978 in words is "one hundred eight million, eighty-five thousand, nine hundred seventy-eight".