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8227808759977 is a prime number
BaseRepresentation
bin111011110111010111110…
…0111100101000010101001
31002010120102010202110111221
41313232233213211002221
52034301023020304402
625255445252222041
71506303525346222
oct167565747450251
932116363673457
108227808759977
1126924376013a4
12b0a73060a921
13478b573230a1
14206329b6c249
15e4056977337
hex77baf9e50a9

8227808759977 has 2 divisors, whose sum is σ = 8227808759978. Its totient is φ = 8227808759976.

The previous prime is 8227808759957. The next prime is 8227808760029. The reversal of 8227808759977 is 7799578087228.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5723869636521 + 2503939123456 = 2392461^2 + 1582384^2 .

It is a cyclic number.

It is not a de Polignac number, because 8227808759977 - 227 = 8227674542249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8227808759897 and 8227808759906.

It is not a weakly prime, because it can be changed into another prime (8227808759957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4113904379988 + 4113904379989.

It is an arithmetic number, because the mean of its divisors is an integer number (4113904379989).

Almost surely, 28227808759977 is an apocalyptic number.

It is an amenable number.

8227808759977 is a deficient number, since it is larger than the sum of its proper divisors (1).

8227808759977 is an equidigital number, since it uses as much as digits as its factorization.

8227808759977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1991485440, while the sum is 79.

The spelling of 8227808759977 in words is "eight trillion, two hundred twenty-seven billion, eight hundred eight million, seven hundred fifty-nine thousand, nine hundred seventy-seven".