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BaseRepresentation
bin10000110011111111
310111110111
4100303333
54200423
61250451
7404524
oct206377
9114414
1068863
1147813
1233a27
1325462
141b14b
151560d
hex10cff

68863 has 2 divisors, whose sum is σ = 68864. Its totient is φ = 68862.

The previous prime is 68821. The next prime is 68879. The reversal of 68863 is 36886.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68863 - 29 = 68351 is a prime.

It is a super-2 number, since 2×688632 = 9484225538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34431 + 34432.

It is an arithmetic number, because the mean of its divisors is an integer number (34432).

268863 is an apocalyptic number.

68863 is a deficient number, since it is larger than the sum of its proper divisors (1).

68863 is an equidigital number, since it uses as much as digits as its factorization.

68863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 31.

The square root of 68863 is about 262.4176061167. The cubic root of 68863 is about 40.9884956816.

It can be divided in two parts, 6886 and 3, that added together give a square (6889 = 832).

The spelling of 68863 in words is "sixty-eight thousand, eight hundred sixty-three".