87042647608 has 64 divisors (see below), whose sum is σ = 189764064000. Its totient is φ = 36655725312.

The previous prime is 87042647581. The next prime is 87042647609. The reversal of 87042647608 is 80674624078.

It is a super-3 number, since 3×87042647608³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87042647609) 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, 10446388 + ... + 10454716.

It is an arithmetic number, because the mean of its divisors is an integer number (2965063500).

Almost surely, 2^87042647608 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 87042647608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94882032000).

87042647608 is an abundant number, since it is smaller than the sum of its proper divisors (102721416392).

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

87042647608 is a wasteful number, since it uses less digits than its factorization.

87042647608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11564 (or 11560 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 52.

The spelling of 87042647608 in words is "eighty-seven billion, forty-two million, six hundred forty-seven thousand, six hundred eight".