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87996585600 = 2734527114409
BaseRepresentation
bin101000111110100000…
…0010101011010000000
322102010122002201020000
41101331000111122000
52420204111214400
6104231452120000
76233431431150
oct1217500253200
9272118081200
1087996585600
1134356862210
1215079a66000
1383b4a50a81
14438abd4760
152450542600
hex147d015680

87996585600 has 960 divisors, whose sum is σ = 404945956800. Its totient is φ = 18280857600.

The previous prime is 87996585587. The next prime is 87996585601. The reversal of 87996585600 is 658569978.

87996585600 is a `hidden beast` number, since 8 + 7 + 9 + 9 + 65 + 8 + 560 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (960).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (87996585601) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 19956196 + ... + 19960604.

It is an arithmetic number, because the mean of its divisors is an integer number (421818705).

Almost surely, 287996585600 is an apocalyptic number.

87996585600 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87996585600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202472978400).

87996585600 is an abundant number, since it is smaller than the sum of its proper divisors (316949371200).

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

87996585600 is a wasteful number, since it uses less digits than its factorization.

87996585600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4463 (or 4437 counting only the distinct ones).

The product of its (nonzero) digits is 32659200, while the sum is 63.

The spelling of 87996585600 in words is "eighty-seven billion, nine hundred ninety-six million, five hundred eighty-five thousand, six hundred".