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87339803409853 is a prime number
BaseRepresentation
bin10011110110111101100001…
…111101001111110110111101
3102110020121022001212202021021
4103312331201331033312331
542421433404133103403
6505431203552304141
724253043514531001
oct2366754175176675
9373217261782237
1087339803409853
112591366a098725
129967057542051
133997153709767
14177d3aa364701
15a16d96de98bd
hex4f6f61f4fdbd

87339803409853 has 2 divisors, whose sum is σ = 87339803409854. Its totient is φ = 87339803409852.

The previous prime is 87339803409721. The next prime is 87339803409889. The reversal of 87339803409853 is 35890430893378.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66854792484484 + 20485010925369 = 8176478^2 + 4526037^2 .

It is a cyclic number.

It is not a de Polignac number, because 87339803409853 - 229 = 87339266538941 is a prime.

It is a super-3 number, since 3×873398034098533 (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87339803409653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43669901704926 + 43669901704927.

It is an arithmetic number, because the mean of its divisors is an integer number (43669901704927).

Almost surely, 287339803409853 is an apocalyptic number.

It is an amenable number.

87339803409853 is a deficient number, since it is larger than the sum of its proper divisors (1).

87339803409853 is an equidigital number, since it uses as much as digits as its factorization.

87339803409853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 470292480, while the sum is 70.

The spelling of 87339803409853 in words is "eighty-seven trillion, three hundred thirty-nine billion, eight hundred three million, four hundred nine thousand, eight hundred fifty-three".