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87479092229 is a prime number
BaseRepresentation
bin101000101111000101…
…0010000010000000101
322100210120100022202212
41101132022100100011
52413124121422404
6104104244313205
76214546005134
oct1213612202005
9270716308685
1087479092229
1134110737841
1214b546a2805
138331782489
14433c1a791b
15241edc106e
hex145e290405

87479092229 has 2 divisors, whose sum is σ = 87479092230. Its totient is φ = 87479092228.

The previous prime is 87479092189. The next prime is 87479092237. The reversal of 87479092229 is 92229097478.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79525128004 + 7953964225 = 282002^2 + 89185^2 .

It is a cyclic number.

It is not a de Polignac number, because 87479092229 - 216 = 87479026693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87479092249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43739546114 + 43739546115.

It is an arithmetic number, because the mean of its divisors is an integer number (43739546115).

Almost surely, 287479092229 is an apocalyptic number.

It is an amenable number.

87479092229 is a deficient number, since it is larger than the sum of its proper divisors (1).

87479092229 is an equidigital number, since it uses as much as digits as its factorization.

87479092229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9144576, while the sum is 59.

The spelling of 87479092229 in words is "eighty-seven billion, four hundred seventy-nine million, ninety-two thousand, two hundred twenty-nine".