87618137732173 has 8 divisors (see below), whose sum is σ = 89368449811200. Its totient is φ = 85871423418768.

The previous prime is 87618137732171. The next prime is 87618137732179. The reversal of 87618137732173 is 37123773181678.

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

It is a cyclic number.

It is not a de Polignac number, because 87618137732173 - 2¹ = 87618137732171 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 (87618137732171) 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, 899392213 + ... + 899489626.

It is an arithmetic number, because the mean of its divisors is an integer number (11171056226400).

Almost surely, 2^{87618137732173} is an apocalyptic number.

It is an amenable number.

87618137732173 is a deficient number, since it is larger than the sum of its proper divisors (1750312079027).

87618137732173 is a wasteful number, since it uses less digits than its factorization.

87618137732173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1798882811.

The product of its digits is 49787136, while the sum is 64.

The spelling of 87618137732173 in words is "eighty-seven trillion, six hundred eighteen billion, one hundred thirty-seven million, seven hundred thirty-two thousand, one hundred seventy-three".