8517887087 has 2 divisors, whose sum is σ = 8517887088. Its totient is φ = 8517887086.

The previous prime is 8517886963. The next prime is 8517887159. The reversal of 8517887087 is 7807887158.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8517887087 - 2²² = 8513692783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8517887387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4258943543 + 4258943544.

It is an arithmetic number, because the mean of its divisors is an integer number (4258943544).

Almost surely, 2^8517887087 is an apocalyptic number.

8517887087 is a deficient number, since it is larger than the sum of its proper divisors (1).

8517887087 is an equidigital number, since it uses as much as digits as its factorization.

8517887087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7024640, while the sum is 59.

The square root of 8517887087 is about 92292.3999417070. The cubic root of 8517887087 is about 2042.2580954150.

The spelling of 8517887087 in words is "eight billion, five hundred seventeen million, eight hundred eighty-seven thousand, eighty-seven".