87041369 has 2 divisors, whose sum is σ = 87041370. Its totient is φ = 87041368.

The previous prime is 87041363. The next prime is 87041389. The reversal of 87041369 is 96314078.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62410000 + 24631369 = 7900^2 + 4963^2 .

It is a cyclic number.

It is not a de Polignac number, because 87041369 - 2⁸ = 87041113 is a prime.

It is a super-2 number, since 2×87041369² = 15152399834788322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (87041363) 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, 43520684 + 43520685.

It is an arithmetic number, because the mean of its divisors is an integer number (43520685).

Almost surely, 2^87041369 is an apocalyptic number.

It is an amenable number.

87041369 is a deficient number, since it is larger than the sum of its proper divisors (1).

87041369 is an equidigital number, since it uses as much as digits as its factorization.

87041369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 87041369 is about 9329.5964007024. The cubic root of 87041369 is about 443.1749839939.

The spelling of 87041369 in words is "eighty-seven million, forty-one thousand, three hundred sixty-nine".