108171489587 has 8 divisors (see below), whose sum is σ = 123644143200. Its totient is φ = 92703731904.

The previous prime is 108171489557. The next prime is 108171489599. The reversal of 108171489587 is 785984171801.

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

It is not a de Polignac number, because 108171489587 - 2²⁰ = 108170441011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108171489557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1176512 + ... + 1265117.

It is an arithmetic number, because the mean of its divisors is an integer number (15455517900).

Almost surely, 2^108171489587 is an apocalyptic number.

108171489587 is a deficient number, since it is larger than the sum of its proper divisors (15472653613).

108171489587 is an equidigital number, since it uses as much as digits as its factorization.

108171489587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2447965.

The product of its (nonzero) digits is 4515840, while the sum is 59.

The spelling of 108171489587 in words is "one hundred eight billion, one hundred seventy-one million, four hundred eighty-nine thousand, five hundred eighty-seven".