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7897082239 is a prime number
BaseRepresentation
bin1110101101011001…
…11110100101111111
3202101100202100021101
413112230332211333
5112133123112424
63343341513531
7366461043244
oct72654764577
922340670241
107897082239
113392773852
1216448728a7
1398b11a537
1454cb575cb
1531346b344
hex1d6b3e97f

7897082239 has 2 divisors, whose sum is σ = 7897082240. Its totient is φ = 7897082238.

The previous prime is 7897082189. The next prime is 7897082261. The reversal of 7897082239 is 9322807987.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7897082239 - 219 = 7896557951 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7897082239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7897082279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3948541119 + 3948541120.

It is an arithmetic number, because the mean of its divisors is an integer number (3948541120).

Almost surely, 27897082239 is an apocalyptic number.

7897082239 is a deficient number, since it is larger than the sum of its proper divisors (1).

7897082239 is an equidigital number, since it uses as much as digits as its factorization.

7897082239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3048192, while the sum is 55.

The square root of 7897082239 is about 88865.5289693366. The cubic root of 7897082239 is about 1991.3864767806.

The spelling of 7897082239 in words is "seven billion, eight hundred ninety-seven million, eighty-two thousand, two hundred thirty-nine".