87559547256 has 96 divisors (see below), whose sum is σ = 249865824000. Its totient is φ = 27623322432.

The previous prime is 87559547249. The next prime is 87559547267. The reversal of 87559547256 is 65274595578.

87559547256 is a `hidden beast` number, since 8 + 7 + 559 + 5 + 4 + 72 + 5 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 87559547193 and 87559547202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1390551 + ... + 1452153.

It is an arithmetic number, because the mean of its divisors is an integer number (2602769000).

Almost surely, 2^87559547256 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 87559547256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124932912000).

87559547256 is an abundant number, since it is smaller than the sum of its proper divisors (162306276744).

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

87559547256 is a wasteful number, since it uses less digits than its factorization.

87559547256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62673 (or 62666 counting only the distinct ones).

The product of its digits is 105840000, while the sum is 63.

The spelling of 87559547256 in words is "eighty-seven billion, five hundred fifty-nine million, five hundred forty-seven thousand, two hundred fifty-six".