109827688 has 8 divisors (see below), whose sum is σ = 205926930. Its totient is φ = 54913840.

The previous prime is 109827677. The next prime is 109827709. The reversal of 109827688 is 886728901.

It can be written as a sum of positive squares in only one way, i.e., 109788484 + 39204 = 10478^2 + 198^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6864223 + ... + 6864238.

Almost surely, 2^109827688 is an apocalyptic number.

It is an amenable number.

109827688 is a deficient number, since it is larger than the sum of its proper divisors (96099242).

109827688 is a wasteful number, since it uses less digits than its factorization.

109827688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13728467 (or 13728463 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 49.

The square root of 109827688 is about 10479.8706098883. The cubic root of 109827688 is about 478.8916673374.

The spelling of 109827688 in words is "one hundred nine million, eight hundred twenty-seven thousand, six hundred eighty-eight".