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807858854461 is a prime number
BaseRepresentation
bin10111100000110000010…
…00111101101000111101
32212020020001221220121101
423300120020331220331
5101213443331320321
61415043014533101
7112236331651111
oct13603010755075
92766201856541
10807858854461
1129167a29843a
1211069a367191
135b2471a0c09
142b159dab741
151603320b791
hexbc1823da3d

807858854461 has 2 divisors, whose sum is σ = 807858854462. Its totient is φ = 807858854460.

The previous prime is 807858854353. The next prime is 807858854521. The reversal of 807858854461 is 164458858708.

807858854461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 562815044100 + 245043810361 = 750210^2 + 495019^2 .

It is a cyclic number.

It is not a de Polignac number, because 807858854461 - 213 = 807858846269 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 807858854393 and 807858854402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (807858854261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 403929427230 + 403929427231.

It is an arithmetic number, because the mean of its divisors is an integer number (403929427231).

Almost surely, 2807858854461 is an apocalyptic number.

It is an amenable number.

807858854461 is a deficient number, since it is larger than the sum of its proper divisors (1).

807858854461 is an equidigital number, since it uses as much as digits as its factorization.

807858854461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68812800, while the sum is 64.

The spelling of 807858854461 in words is "eight hundred seven billion, eight hundred fifty-eight million, eight hundred fifty-four thousand, four hundred sixty-one".