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8686707067061 is a prime number
BaseRepresentation
bin111111001101000100000…
…0101101100100010110101
31010202102220112212211200122
41332122020011230202311
52114310334002121221
630250341303421325
71554410461531232
oct176321005544265
933672815784618
108686707067061
11284a01474a641
12b83660754845
134b01cb0971ba
14220620364789
15100e64005eab
hex7e68816c8b5

8686707067061 has 2 divisors, whose sum is σ = 8686707067062. Its totient is φ = 8686707067060.

The previous prime is 8686707067039. The next prime is 8686707067091. The reversal of 8686707067061 is 1607607076868.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5591834466436 + 3094872600625 = 2364706^2 + 1759225^2 .

It is a cyclic number.

It is not a de Polignac number, because 8686707067061 - 226 = 8686639958197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8686707066985 and 8686707067003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8686707067091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4343353533530 + 4343353533531.

It is an arithmetic number, because the mean of its divisors is an integer number (4343353533531).

Almost surely, 28686707067061 is an apocalyptic number.

It is an amenable number.

8686707067061 is a deficient number, since it is larger than the sum of its proper divisors (1).

8686707067061 is an equidigital number, since it uses as much as digits as its factorization.

8686707067061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28449792, while the sum is 62.

The spelling of 8686707067061 in words is "eight trillion, six hundred eighty-six billion, seven hundred seven million, sixty-seven thousand, sixty-one".