87407 has 2 divisors, whose sum is σ = 87408. Its totient is φ = 87406.
The previous prime is 87403. The next prime is 87421. The reversal of 87407 is 70478.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 87407 - 22 = 87403 is a prime.
It is a Chen prime.
It is a plaindrome in base 4 and base 16.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 87407.
It is not a weakly prime, because it can be changed into another prime (87403) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43703 + 43704.
It is an arithmetic number, because the mean of its divisors is an integer number (43704).
287407 is an apocalyptic number.
87407 is a deficient number, since it is larger than the sum of its proper divisors (1).
87407 is an equidigital number, since it uses as much as digits as its factorization.
87407 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1568, while the sum is 26.
The square root of 87407 is about 295.6467486715. The cubic root of 87407 is about 44.3794659263.
It can be divided in two parts, 87 and 407, that added together give a palindrome (494).
The spelling of 87407 in words is "eighty-seven thousand, four hundred seven".
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