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8725704839 is a prime number
BaseRepresentation
bin10000010000001011…
…11011000010000111
3211112002221201210022
420020011323002013
5120332240023324
64001502045355
7426142160465
oct101005730207
924462851708
108725704839
113778484215
12183627985b
13a909b2477
145cac13835
1536109905e
hex20817b087

8725704839 has 2 divisors, whose sum is σ = 8725704840. Its totient is φ = 8725704838.

The previous prime is 8725704791. The next prime is 8725704847. The reversal of 8725704839 is 9384075278.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8725704839 - 216 = 8725639303 is a prime.

It is a super-2 number, since 2×87257048392 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8725704899) 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, 4362852419 + 4362852420.

It is an arithmetic number, because the mean of its divisors is an integer number (4362852420).

Almost surely, 28725704839 is an apocalyptic number.

8725704839 is a deficient number, since it is larger than the sum of its proper divisors (1).

8725704839 is an equidigital number, since it uses as much as digits as its factorization.

8725704839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3386880, while the sum is 53.

The square root of 8725704839 is about 93411.4813018186. The cubic root of 8725704839 is about 2058.7336955442.

The spelling of 8725704839 in words is "eight billion, seven hundred twenty-five million, seven hundred four thousand, eight hundred thirty-nine".