87016687 has 2 divisors, whose sum is σ = 87016688. Its totient is φ = 87016686.

The previous prime is 87016679. The next prime is 87016697. The reversal of 87016687 is 78661078.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87016687 - 2³ = 87016679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87016697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43508343 + 43508344.

It is an arithmetic number, because the mean of its divisors is an integer number (43508344).

Almost surely, 2^87016687 is an apocalyptic number.

87016687 is a deficient number, since it is larger than the sum of its proper divisors (1).

87016687 is an equidigital number, since it uses as much as digits as its factorization.

87016687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 87016687 is about 9328.2735272932. The cubic root of 87016687 is about 443.1330902018.

The spelling of 87016687 in words is "eighty-seven million, sixteen thousand, six hundred eighty-seven".