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87488587 is a prime number
BaseRepresentation
bin1010011011011…
…11100001001011
320002121212210001
411031233201023
5134344113322
612403103431
72111432524
oct515574113
9202555701
1087488587
114542651a
1225371b77
1315182ac4
14b89584b
157a32827
hex536f84b

87488587 has 2 divisors, whose sum is σ = 87488588. Its totient is φ = 87488586.

The previous prime is 87488581. The next prime is 87488591. The reversal of 87488587 is 78588478.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-87488587 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (87488581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43744293 + 43744294.

It is an arithmetic number, because the mean of its divisors is an integer number (43744294).

Almost surely, 287488587 is an apocalyptic number.

87488587 is a deficient number, since it is larger than the sum of its proper divisors (1).

87488587 is an equidigital number, since it uses as much as digits as its factorization.

87488587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4014080, while the sum is 55.

The square root of 87488587 is about 9353.5333965299. The cubic root of 87488587 is about 443.9326978446.

The spelling of 87488587 in words is "eighty-seven million, four hundred eighty-eight thousand, five hundred eighty-seven".