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86279075161 is a prime number
BaseRepresentation
bin101000001011010100…
…0100011010101011001
322020200221022010211021
41100112220203111121
52403144420401121
6103345220002441
76143035016116
oct1202650432531
9266627263737
1086279075161
113365531a1a4
121487a830421
13819cc832c6
144266a7190d
15239e880641
hex1416a23559

86279075161 has 2 divisors, whose sum is σ = 86279075162. Its totient is φ = 86279075160.

The previous prime is 86279075159. The next prime is 86279075261. The reversal of 86279075161 is 16157097268.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54268497936 + 32010577225 = 232956^2 + 178915^2 .

It is a cyclic number.

It is not a de Polignac number, because 86279075161 - 21 = 86279075159 is a prime.

Together with 86279075159, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 86279075099 and 86279075108.

It is not a weakly prime, because it can be changed into another prime (86279075261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43139537580 + 43139537581.

It is an arithmetic number, because the mean of its divisors is an integer number (43139537581).

Almost surely, 286279075161 is an apocalyptic number.

It is an amenable number.

86279075161 is a deficient number, since it is larger than the sum of its proper divisors (1).

86279075161 is an equidigital number, since it uses as much as digits as its factorization.

86279075161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1270080, while the sum is 52.

The spelling of 86279075161 in words is "eighty-six billion, two hundred seventy-nine million, seventy-five thousand, one hundred sixty-one".