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87255167 is a prime number
BaseRepresentation
bin1010011001101…
…10100001111111
320002012000120212
411030312201333
5134314131132
612354103035
72106441146
oct514664177
9202160525
1087255167
114528710a
122527aa7b
131510079c
14b83475d
1579d85b2
hex533687f

87255167 has 2 divisors, whose sum is σ = 87255168. Its totient is φ = 87255166.

The previous prime is 87255151. The next prime is 87255187. The reversal of 87255167 is 76155278.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87255167 - 24 = 87255151 is a prime.

It is a super-3 number, since 3×872551673 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87255187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43627583 + 43627584.

It is an arithmetic number, because the mean of its divisors is an integer number (43627584).

Almost surely, 287255167 is an apocalyptic number.

87255167 is a deficient number, since it is larger than the sum of its proper divisors (1).

87255167 is an equidigital number, since it uses as much as digits as its factorization.

87255167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 117600, while the sum is 41.

The square root of 87255167 is about 9341.0474252088. The cubic root of 87255167 is about 443.5375413026.

The spelling of 87255167 in words is "eighty-seven million, two hundred fifty-five thousand, one hundred sixty-seven".