87067529 has 2 divisors, whose sum is σ = 87067530. Its totient is φ = 87067528.

The previous prime is 87067501. The next prime is 87067531. The reversal of 87067529 is 92576078.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49674304 + 37393225 = 7048^2 + 6115^2 .

It is a cyclic number.

It is not a de Polignac number, because 87067529 - 2²⁰ = 86018953 is a prime.

Together with 87067531, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87067529.

It is not a weakly prime, because it can be changed into another prime (87067579) 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, 43533764 + 43533765.

It is an arithmetic number, because the mean of its divisors is an integer number (43533765).

Almost surely, 2^87067529 is an apocalyptic number.

It is an amenable number.

87067529 is a deficient number, since it is larger than the sum of its proper divisors (1).

87067529 is an equidigital number, since it uses as much as digits as its factorization.

87067529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 87067529 is about 9330.9982852854. The cubic root of 87067529 is about 443.2193778128.

The spelling of 87067529 in words is "eighty-seven million, sixty-seven thousand, five hundred twenty-nine".