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87048783187 is a prime number
BaseRepresentation
bin101000100010010000…
…0110000010101010011
322022200120122100201221
41101010200300111103
52411233442030222
6103553433305511
76201102306622
oct1210440602523
9268616570657
1087048783187
1133a0a850233
1214a54565297
13829358b342
1442dad936b9
1523e72220c7
hex1444830553

87048783187 has 2 divisors, whose sum is σ = 87048783188. Its totient is φ = 87048783186.

The previous prime is 87048783179. The next prime is 87048783197. The reversal of 87048783187 is 78138784078.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87048783187 - 23 = 87048783179 is a prime.

It is not a weakly prime, because it can be changed into another prime (87048783137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43524391593 + 43524391594.

It is an arithmetic number, because the mean of its divisors is an integer number (43524391594).

Almost surely, 287048783187 is an apocalyptic number.

87048783187 is a deficient number, since it is larger than the sum of its proper divisors (1).

87048783187 is an equidigital number, since it uses as much as digits as its factorization.

87048783187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16859136, while the sum is 61.

The spelling of 87048783187 in words is "eighty-seven billion, forty-eight million, seven hundred eighty-three thousand, one hundred eighty-seven".