107889681 has 8 divisors (see below), whose sum is σ = 144013120. Its totient is φ = 71846352.

The previous prime is 107889679. The next prime is 107889689. The reversal of 107889681 is 186988701.

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

It is not a de Polignac number, because 107889681 - 2¹ = 107889679 is a prime.

It is a super-2 number, since 2×107889681² = 23280366532563522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 107889681.

It is not an unprimeable number, because it can be changed into a prime (107889689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16810 + ... + 22323.

It is an arithmetic number, because the mean of its divisors is an integer number (18001640).

Almost surely, 2^107889681 is an apocalyptic number.

It is an amenable number.

107889681 is a deficient number, since it is larger than the sum of its proper divisors (36123439).

107889681 is an equidigital number, since it uses as much as digits as its factorization.

107889681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40055.

The product of its (nonzero) digits is 193536, while the sum is 48.

The square root of 107889681 is about 10386.9957639348. The cubic root of 107889681 is about 476.0581117410.

The spelling of 107889681 in words is "one hundred seven million, eight hundred eighty-nine thousand, six hundred eighty-one".