108981719 has 16 divisors (see below), whose sum is σ = 136878336. Its totient is φ = 84292800.

The previous prime is 108981703. The next prime is 108981721. The reversal of 108981719 is 917189801.

It is a cyclic number.

It is not a de Polignac number, because 108981719 - 2⁴ = 108981703 is a prime.

It is a super-2 number, since 2×108981719² = 23754030152389922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 108981719.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108981799) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5384 + ... + 15714.

It is an arithmetic number, because the mean of its divisors is an integer number (8554896).

Almost surely, 2^108981719 is an apocalyptic number.

108981719 is a deficient number, since it is larger than the sum of its proper divisors (27896617).

108981719 is a wasteful number, since it uses less digits than its factorization.

108981719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10486.

The product of its (nonzero) digits is 36288, while the sum is 44.

The square root of 108981719 is about 10439.4309710827. The cubic root of 108981719 is about 477.6589115010.

The spelling of 108981719 in words is "one hundred eight million, nine hundred eighty-one thousand, seven hundred nineteen".