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87119 is a prime number
BaseRepresentation
bin10101010001001111
311102111122
4111101033
510241434
61511155
7511664
oct252117
9142448
1087119
115a4aa
12424bb
1330866
1423a6b
151ac2e
hex1544f

87119 has 2 divisors, whose sum is σ = 87120. Its totient is φ = 87118.

The previous prime is 87107. The next prime is 87121. The reversal of 87119 is 91178.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87119 - 24 = 87103 is a prime.

It is a super-2 number, since 2×871192 = 15179440322, which contains 22 as substring.

Together with 87121, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 87119.

It is not a weakly prime, because it can be changed into another prime (87149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43559 + 43560.

It is an arithmetic number, because the mean of its divisors is an integer number (43560).

287119 is an apocalyptic number.

87119 is a deficient number, since it is larger than the sum of its proper divisors (1).

87119 is an equidigital number, since it uses as much as digits as its factorization.

87119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 504, while the sum is 26.

The square root of 87119 is about 295.1592790342. The cubic root of 87119 is about 44.3306698735.

The spelling of 87119 in words is "eighty-seven thousand, one hundred nineteen".