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87045377 is a prime number
BaseRepresentation
bin1010011000000…
…11010100000001
320001210100210212
411030003110001
5134240423002
612345403505
72104605416
oct514032401
9201710725
1087045377
1145153531
1225199595
1315059153
14b7bc10d
157996352
hex5303501

87045377 has 2 divisors, whose sum is σ = 87045378. Its totient is φ = 87045376.

The previous prime is 87045367. The next prime is 87045379. The reversal of 87045377 is 77354078.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58997761 + 28047616 = 7681^2 + 5296^2 .

It is a cyclic number.

It is not a de Polignac number, because 87045377 - 26 = 87045313 is a prime.

Together with 87045379, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (87045379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43522688 + 43522689.

It is an arithmetic number, because the mean of its divisors is an integer number (43522689).

Almost surely, 287045377 is an apocalyptic number.

It is an amenable number.

87045377 is a deficient number, since it is larger than the sum of its proper divisors (1).

87045377 is an equidigital number, since it uses as much as digits as its factorization.

87045377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 164640, while the sum is 41.

The square root of 87045377 is about 9329.8111985184. The cubic root of 87045377 is about 443.1817861927.

The spelling of 87045377 in words is "eighty-seven million, forty-five thousand, three hundred seventy-seven".