87063169 has 2 divisors, whose sum is σ = 87063170. Its totient is φ = 87063168.

The previous prime is 87063167. The next prime is 87063181. The reversal of 87063169 is 96136078.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68890000 + 18173169 = 8300^2 + 4263^2 .

It is a cyclic number.

It is not a de Polignac number, because 87063169 - 2¹ = 87063167 is a prime.

It is a super-2 number, since 2×87063169² = 15159990792645122, which contains 22 as substring.

Together with 87063167, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (87063161) 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, 43531584 + 43531585.

It is an arithmetic number, because the mean of its divisors is an integer number (43531585).

Almost surely, 2^87063169 is an apocalyptic number.

It is an amenable number.

87063169 is a deficient number, since it is larger than the sum of its proper divisors (1).

87063169 is an equidigital number, since it uses as much as digits as its factorization.

87063169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 87063169 is about 9330.7646524816. The cubic root of 87063169 is about 443.2119794606.

The spelling of 87063169 in words is "eighty-seven million, sixty-three thousand, one hundred sixty-nine".