107989871 has 4 divisors (see below), whose sum is σ = 117807144. Its totient is φ = 98172600.

The previous prime is 107989837. The next prime is 107989891. The reversal of 107989871 is 178989701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 178989701 = 11 ⋅16271791.

It is a cyclic number.

It is not a de Polignac number, because 107989871 - 2¹⁰ = 107988847 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 (107989811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4908620 + ... + 4908641.

It is an arithmetic number, because the mean of its divisors is an integer number (29451786).

Almost surely, 2^107989871 is an apocalyptic number.

107989871 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

107989871 is a deficient number, since it is larger than the sum of its proper divisors (9817273).

107989871 is an equidigital number, since it uses as much as digits as its factorization.

107989871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9817272.

The product of its (nonzero) digits is 254016, while the sum is 50.

The square root of 107989871 is about 10391.8175022467. The cubic root of 107989871 is about 476.2054273609.

The spelling of 107989871 in words is "one hundred seven million, nine hundred eighty-nine thousand, eight hundred seventy-one".