108978650 has 36 divisors (see below), whose sum is σ = 222815166. Its totient is φ = 39626400.

The previous prime is 108978647. The next prime is 108978659. The reversal of 108978650 is 56879801.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 100861849 + 8116801 = 10043^2 + 2849^2 .

It is not an unprimeable number, because it can be changed into a prime (108978659) 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 17 ways as a sum of consecutive naturals, for example, 2957 + ... + 15056.

Almost surely, 2^108978650 is an apocalyptic number.

108978650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

108978650 is an abundant number, since it is smaller than the sum of its proper divisors (113836516).

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

108978650 is a wasteful number, since it uses less digits than its factorization.

108978650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18047 (or 18031 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 108978650 is about 10439.2839792775. The cubic root of 108978650 is about 477.6544277246.

The spelling of 108978650 in words is "one hundred eight million, nine hundred seventy-eight thousand, six hundred fifty".