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8705983697 is a prime number
BaseRepresentation
bin10000001101110101…
…01100010011010001
3211110201211210110122
420012322230103101
5120312212434242
63555515240025
7425512432445
oct100672542321
924421753418
108705983697
113768334454
12182b749015
13a89898c58
145c835c825
1535e4a0ad2
hex206eac4d1

8705983697 has 2 divisors, whose sum is σ = 8705983698. Its totient is φ = 8705983696.

The previous prime is 8705983687. The next prime is 8705983703. The reversal of 8705983697 is 7963895078.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5956134976 + 2749848721 = 77176^2 + 52439^2 .

It is a cyclic number.

It is not a de Polignac number, because 8705983697 - 26 = 8705983633 is a prime.

It is not a weakly prime, because it can be changed into another prime (8705983687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4352991848 + 4352991849.

It is an arithmetic number, because the mean of its divisors is an integer number (4352991849).

Almost surely, 28705983697 is an apocalyptic number.

It is an amenable number.

8705983697 is a deficient number, since it is larger than the sum of its proper divisors (1).

8705983697 is an equidigital number, since it uses as much as digits as its factorization.

8705983697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22861440, while the sum is 62.

The square root of 8705983697 is about 93305.8610002609. The cubic root of 8705983697 is about 2057.1815303739.

The spelling of 8705983697 in words is "eight billion, seven hundred five million, nine hundred eighty-three thousand, six hundred ninety-seven".