87647259309 has 8 divisors (see below), whose sum is σ = 117231666720. Its totient is φ = 58247179056.

The previous prime is 87647259289. The next prime is 87647259317. The reversal of 87647259309 is 90395274678.

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

It is not a de Polignac number, because 87647259309 - 2¹⁹ = 87646735021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87647259209) 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 7 ways as a sum of consecutive naturals, for example, 46080679 + ... + 46082580.

It is an arithmetic number, because the mean of its divisors is an integer number (14653958340).

Almost surely, 2^87647259309 is an apocalyptic number.

It is an amenable number.

87647259309 is a deficient number, since it is larger than the sum of its proper divisors (29584407411).

87647259309 is a wasteful number, since it uses less digits than its factorization.

87647259309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92163579.

The product of its (nonzero) digits is 22861440, while the sum is 60.

The spelling of 87647259309 in words is "eighty-seven billion, six hundred forty-seven million, two hundred fifty-nine thousand, three hundred nine".