87843612040 has 64 divisors (see below), whose sum is σ = 206520710400. Its totient is φ = 33564233472.

The previous prime is 87843612037. The next prime is 87843612067. The reversal of 87843612040 is 4021634878.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 619306 + ... + 747814.

It is an arithmetic number, because the mean of its divisors is an integer number (3226886100).

Almost surely, 2^87843612040 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 87843612040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103260355200).

87843612040 is an abundant number, since it is smaller than the sum of its proper divisors (118677098360).

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

87843612040 is a wasteful number, since it uses less digits than its factorization.

87843612040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129286 (or 129282 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 43.

The spelling of 87843612040 in words is "eighty-seven billion, eight hundred forty-three million, six hundred twelve thousand, forty".