108897709 has 8 divisors (see below), whose sum is σ = 113742720. Its totient is φ = 104061936.

The previous prime is 108897707. The next prime is 108897751. The reversal of 108897709 is 907798801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 108897709 - 2¹ = 108897707 is a prime.

It is a super-2 number, since 2×108897709² = 23717422050897362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108897703) 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 7 ways as a sum of consecutive naturals, for example, 34339 + ... + 37375.

It is an arithmetic number, because the mean of its divisors is an integer number (14217840).

Almost surely, 2^108897709 is an apocalyptic number.

It is an amenable number.

108897709 is a deficient number, since it is larger than the sum of its proper divisors (4845011).

108897709 is a wasteful number, since it uses less digits than its factorization.

108897709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4619.

The product of its (nonzero) digits is 254016, while the sum is 49.

The square root of 108897709 is about 10435.4065086129. The cubic root of 108897709 is about 477.5361433859.

The spelling of 108897709 in words is "one hundred eight million, eight hundred ninety-seven thousand, seven hundred nine".