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7689670660079 is a prime number
BaseRepresentation
bin110111111100110010000…
…0101101000111111101111
31000020010101100222112112222
41233321210011220333233
52001441421142110304
624204330321145555
71422363131103122
oct157714405507757
930203340875488
107689670660079
1124a5197688a81
12a4238718b2bb
1343a195aa68c5
141c82797683b9
15d505ca414be
hex6fe64168fef

7689670660079 has 2 divisors, whose sum is σ = 7689670660080. Its totient is φ = 7689670660078.

The previous prime is 7689670660043. The next prime is 7689670660081. The reversal of 7689670660079 is 9700660769867.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7689670660079 - 232 = 7685375692783 is a prime.

Together with 7689670660081, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 7689670659994 and 7689670660021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7689670630079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3844835330039 + 3844835330040.

It is an arithmetic number, because the mean of its divisors is an integer number (3844835330040).

Almost surely, 27689670660079 is an apocalyptic number.

7689670660079 is a deficient number, since it is larger than the sum of its proper divisors (1).

7689670660079 is an equidigital number, since it uses as much as digits as its factorization.

7689670660079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288054144, while the sum is 71.

The spelling of 7689670660079 in words is "seven trillion, six hundred eighty-nine billion, six hundred seventy million, six hundred sixty thousand, seventy-nine".