87555447264 has 24 divisors (see below), whose sum is σ = 229833049320. Its totient is φ = 29185149056.

The previous prime is 87555447247. The next prime is 87555447323. The reversal of 87555447264 is 46274455578.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 456017859 + ... + 456018050.

It is an arithmetic number, because the mean of its divisors is an integer number (9576377055).

Almost surely, 2^87555447264 is an apocalyptic number.

It is an amenable number.

87555447264 is an abundant number, since it is smaller than the sum of its proper divisors (142277602056).

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

87555447264 is a wasteful number, since it uses less digits than its factorization.

87555447264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912035922 (or 912035914 counting only the distinct ones).

The product of its digits is 37632000, while the sum is 57.

The spelling of 87555447264 in words is "eighty-seven billion, five hundred fifty-five million, four hundred forty-seven thousand, two hundred sixty-four".