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87869059 is a prime number
BaseRepresentation
bin1010011110011…
…00011010000011
320010100012200121
411033030122003
5134443302214
612415201111
72114606005
oct517143203
9203305617
1087869059
1145666363
1225516197
1315287035
14b954375
157aaa424
hex53cc683

87869059 has 2 divisors, whose sum is σ = 87869060. Its totient is φ = 87869058.

The previous prime is 87869057. The next prime is 87869063. The reversal of 87869059 is 95096878.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87869059 - 21 = 87869057 is a prime.

Together with 87869057, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 87868997 and 87869015.

It is not a weakly prime, because it can be changed into another prime (87869057) 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, 43934529 + 43934530.

It is an arithmetic number, because the mean of its divisors is an integer number (43934530).

Almost surely, 287869059 is an apocalyptic number.

87869059 is a deficient number, since it is larger than the sum of its proper divisors (1).

87869059 is an equidigital number, since it uses as much as digits as its factorization.

87869059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 52.

The square root of 87869059 is about 9373.8497427684. The cubic root of 87869059 is about 444.5752948309.

The spelling of 87869059 in words is "eighty-seven million, eight hundred sixty-nine thousand, fifty-nine".