Search a number
-
+
27879016471 is a prime number
BaseRepresentation
bin11001111101101110…
…000000100000010111
32122221221021202221121
4121331232000200113
5424044012011341
620450224024411
72004603505255
oct317556004027
978857252847
1027879016471
1110906a83789
1254a0762107
132823b3b267
1414c68995d5
15ad28194d1
hex67db80817

27879016471 has 2 divisors, whose sum is σ = 27879016472. Its totient is φ = 27879016470.

The previous prime is 27879016469. The next prime is 27879016537. The reversal of 27879016471 is 17461097872.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27879016471 - 21 = 27879016469 is a prime.

It is a super-3 number, since 3×278790164713 (a number of 32 digits) contains 333 as substring.

Together with 27879016469, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27879026471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13939508235 + 13939508236.

It is an arithmetic number, because the mean of its divisors is an integer number (13939508236).

Almost surely, 227879016471 is an apocalyptic number.

27879016471 is a deficient number, since it is larger than the sum of its proper divisors (1).

27879016471 is an equidigital number, since it uses as much as digits as its factorization.

27879016471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1185408, while the sum is 52.

The spelling of 27879016471 in words is "twenty-seven billion, eight hundred seventy-nine million, sixteen thousand, four hundred seventy-one".