87159796180 has 12 divisors (see below), whose sum is σ = 183035572020. Its totient is φ = 34863918464.

The previous prime is 87159796169. The next prime is 87159796181. The reversal of 87159796180 is 8169795178.

It can be written as a sum of positive squares in 2 ways, for example, as 18806831044 + 68352965136 = 137138^2 + 261444^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87159796181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2178994885 + ... + 2178994924.

It is an arithmetic number, because the mean of its divisors is an integer number (15252964335).

Almost surely, 2^87159796180 is an apocalyptic number.

It is an amenable number.

87159796180 is an abundant number, since it is smaller than the sum of its proper divisors (95875775840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87159796180 is a wasteful number, since it uses less digits than its factorization.

87159796180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4357989818 (or 4357989816 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 61.

The spelling of 87159796180 in words is "eighty-seven billion, one hundred fifty-nine million, seven hundred ninety-six thousand, one hundred eighty".