87159111408 has 120 divisors (see below), whose sum is σ = 251522932752. Its totient is φ = 28161229824.

The previous prime is 87159111349. The next prime is 87159111419. The reversal of 87159111408 is 80411195178.

87159111408 is a `hidden beast` number, since 8 + 7 + 1 + 591 + 11 + 40 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 564660 + ... + 702252.

Almost surely, 2^87159111408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87159111408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125761466376).

87159111408 is an abundant number, since it is smaller than the sum of its proper divisors (164363821344).

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

87159111408 is a wasteful number, since it uses less digits than its factorization.

87159111408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137743 (or 137734 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 45.

The spelling of 87159111408 in words is "eighty-seven billion, one hundred fifty-nine million, one hundred eleven thousand, four hundred eight".