109868959 has 6 divisors (see below), whose sum is σ = 110726376. Its totient is φ = 109013400.

The previous prime is 109868921. The next prime is 109868981. The reversal of 109868959 is 959868901.

It is not a de Polignac number, because 109868959 - 2⁷ = 109868831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109868989) 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 5 ways as a sum of consecutive naturals, for example, 128377 + ... + 129229.

It is an arithmetic number, because the mean of its divisors is an integer number (18454396).

Almost surely, 2^109868959 is an apocalyptic number.

109868959 is a deficient number, since it is larger than the sum of its proper divisors (857417).

109868959 is an frugal number, since it uses more digits than its factorization.

109868959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1857 (or 1004 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 55.

The square root of 109868959 is about 10481.8394855102. The cubic root of 109868959 is about 478.9516457248.

The spelling of 109868959 in words is "one hundred nine million, eight hundred sixty-eight thousand, nine hundred fifty-nine".