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8857141439 is a prime number
BaseRepresentation
bin10000011111110110…
…10100000010111111
3211212021021101220112
420033323110002333
5121114412011224
64022515140235
7432326313536
oct101773240277
924767241815
108857141439
113835697503
1218722a467b
13ab1cb1ac3
1460046931d
1536c8ad30e
hex20fed40bf

8857141439 has 2 divisors, whose sum is σ = 8857141440. Its totient is φ = 8857141438.

The previous prime is 8857141421. The next prime is 8857141453. The reversal of 8857141439 is 9341417588.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8857141439 - 224 = 8840364223 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8857141499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4428570719 + 4428570720.

It is an arithmetic number, because the mean of its divisors is an integer number (4428570720).

Almost surely, 28857141439 is an apocalyptic number.

8857141439 is a deficient number, since it is larger than the sum of its proper divisors (1).

8857141439 is an equidigital number, since it uses as much as digits as its factorization.

8857141439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 967680, while the sum is 50.

The square root of 8857141439 is about 94112.3872771273. The cubic root of 8857141439 is about 2069.0192277109.

The spelling of 8857141439 in words is "eight billion, eight hundred fifty-seven million, one hundred forty-one thousand, four hundred thirty-nine".