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BaseRepresentation
bin10000100111110111
310110101202
4100213313
54134322
61243115
7402335
oct204767
9113352
1068087
1147178
123349b
1324cb6
141ab55
1515292
hex109f7

68087 has 2 divisors, whose sum is σ = 68088. Its totient is φ = 68086.

The previous prime is 68071. The next prime is 68099. The reversal of 68087 is 78086.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68087 - 24 = 68071 is a prime.

It is a plaindrome in base 12.

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 68087.

It is not a weakly prime, because it can be changed into another prime (68687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34043 + 34044.

It is an arithmetic number, because the mean of its divisors is an integer number (34044).

268087 is an apocalyptic number.

68087 is a deficient number, since it is larger than the sum of its proper divisors (1).

68087 is an equidigital number, since it uses as much as digits as its factorization.

68087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 68087 is about 260.9348577711. The cubic root of 68087 is about 40.8339506594.

Subtracting 68087 from its reverse (78086), we obtain a palindrome (9999).

It can be divided in two parts, 680 and 87, that added together give a palindrome (767).

The spelling of 68087 in words is "sixty-eight thousand, eighty-seven".