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86959 is a prime number
BaseRepresentation
bin10101001110101111
311102021201
4111032233
510240314
61510331
7511345
oct251657
9142251
1086959
115a374
12423a7
1330772
1423995
151ab74
hex153af

86959 has 2 divisors, whose sum is σ = 86960. Its totient is φ = 86958.

The previous prime is 86951. The next prime is 86969. The reversal of 86959 is 95968.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86959 - 23 = 86951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86951) 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, 43479 + 43480.

It is an arithmetic number, because the mean of its divisors is an integer number (43480).

286959 is an apocalyptic number.

86959 is a deficient number, since it is larger than the sum of its proper divisors (1).

86959 is an equidigital number, since it uses as much as digits as its factorization.

86959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 37.

The square root of 86959 is about 294.8881143756. Note that the first 3 decimals coincide. The cubic root of 86959 is about 44.3035144737.

Subtracting 86959 from its reverse (95968), we obtain a palindrome (9009).

The spelling of 86959 in words is "eighty-six thousand, nine hundred fifty-nine".