87927560544 has 96 divisors (see below), whose sum is σ = 233127417600. Its totient is φ = 29016202752.

The previous prime is 87927560543. The next prime is 87927560549. The reversal of 87927560544 is 44506572978.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87927560543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4381317 + ... + 4401339.

It is an arithmetic number, because the mean of its divisors is an integer number (2428410600).

Almost surely, 2^87927560544 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 87927560544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116563708800).

87927560544 is an abundant number, since it is smaller than the sum of its proper divisors (145199857056).

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

87927560544 is a wasteful number, since it uses less digits than its factorization.

87927560544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20492 (or 20484 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 57.

The spelling of 87927560544 in words is "eighty-seven billion, nine hundred twenty-seven million, five hundred sixty thousand, five hundred forty-four".