87618875328 has 84 divisors (see below), whose sum is σ = 251430208848. Its totient is φ = 29172971520.

The previous prime is 87618875243. The next prime is 87618875329. The reversal of 87618875328 is 82357881678.

87618875328 is a `hidden beast` number, since 8 + 7 + 6 + 18 + 87 + 532 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87618875329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 421125 + ... + 593787.

It is an arithmetic number, because the mean of its divisors is an integer number (2993216772).

Almost surely, 2^87618875328 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 87618875328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125715104424).

87618875328 is an abundant number, since it is smaller than the sum of its proper divisors (163811333520).

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

87618875328 is a wasteful number, since it uses less digits than its factorization.

87618875328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173562 (or 173549 counting only the distinct ones).

The product of its digits is 36126720, while the sum is 63.

The spelling of 87618875328 in words is "eighty-seven billion, six hundred eighteen million, eight hundred seventy-five thousand, three hundred twenty-eight".