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87075127 is a prime number
BaseRepresentation
bin1010011000010…
…10100100110111
320001211212121201
411030022210313
5134242401002
612350153331
72105061226
oct514124467
9201755551
1087075127
1145173917
12251b2847
1315069859
14b7c8cbd
1579a0087
hex530a937

87075127 has 2 divisors, whose sum is σ = 87075128. Its totient is φ = 87075126.

The previous prime is 87075083. The next prime is 87075169. The reversal of 87075127 is 72157078.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87075127 - 215 = 87042359 is a prime.

It is a super-2 number, since 2×870751272 = 15164155484132258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87075827) 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, 43537563 + 43537564.

It is an arithmetic number, because the mean of its divisors is an integer number (43537564).

Almost surely, 287075127 is an apocalyptic number.

87075127 is a deficient number, since it is larger than the sum of its proper divisors (1).

87075127 is an equidigital number, since it uses as much as digits as its factorization.

87075127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27440, while the sum is 37.

The square root of 87075127 is about 9331.4054139770. The cubic root of 87075127 is about 443.2322700392.

The spelling of 87075127 in words is "eighty-seven million, seventy-five thousand, one hundred twenty-seven".