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83127871 is a prime number
BaseRepresentation
bin1001111010001…
…10111000111111
312210102100000001
410331012320333
5132240042441
612125415131
72026401211
oct475067077
9183370001
1083127871
1142a18222
1223a0a4a7
13142b6cb8
14b07c5b1
157470731
hex4f46e3f

83127871 has 2 divisors, whose sum is σ = 83127872. Its totient is φ = 83127870.

The previous prime is 83127859. The next prime is 83127887. The reversal of 83127871 is 17872138.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83127871 - 27 = 83127743 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 83127871.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83127371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41563935 + 41563936.

It is an arithmetic number, because the mean of its divisors is an integer number (41563936).

Almost surely, 283127871 is an apocalyptic number.

83127871 is a deficient number, since it is larger than the sum of its proper divisors (1).

83127871 is an equidigital number, since it uses as much as digits as its factorization.

83127871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18816, while the sum is 37.

The square root of 83127871 is about 9117.4487111253. The cubic root of 83127871 is about 436.4309611781.

The spelling of 83127871 in words is "eighty-three million, one hundred twenty-seven thousand, eight hundred seventy-one".