108868729 has 12 divisors (see below), whose sum is σ = 114749712. Its totient is φ = 103274600.

The previous prime is 108868717. The next prime is 108868751. The reversal of 108868729 is 927868801.

It is not a de Polignac number, because 108868729 - 2⁷ = 108868601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (108868709) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68514 + ... + 70084.

It is an arithmetic number, because the mean of its divisors is an integer number (9562476).

Almost surely, 2^108868729 is an apocalyptic number.

It is an amenable number.

108868729 is a deficient number, since it is larger than the sum of its proper divisors (5880983).

108868729 is a wasteful number, since it uses less digits than its factorization.

108868729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1748 (or 1725 counting only the distinct ones).

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

The square root of 108868729 is about 10434.0178742419. The cubic root of 108868729 is about 477.4937787810.

The spelling of 108868729 in words is "one hundred eight million, eight hundred sixty-eight thousand, seven hundred twenty-nine".