7985587 has 2 divisors, whose sum is σ = 7985588. Its totient is φ = 7985586.

The previous prime is 7985581. The next prime is 7985603. The reversal of 7985587 is 7855897.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7985587 - 2¹¹ = 7983539 is a prime.

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 7985587.

It is not a weakly prime, because it can be changed into another prime (7985581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3992793 + 3992794.

It is an arithmetic number, because the mean of its divisors is an integer number (3992794).

Almost surely, 2^7985587 is an apocalyptic number.

7985587 is a deficient number, since it is larger than the sum of its proper divisors (1).

7985587 is an equidigital number, since it uses as much as digits as its factorization.

7985587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 705600, while the sum is 49.

The square root of 7985587 is about 2825.8780936198. The cubic root of 7985587 is about 199.8798194643.

The spelling of 7985587 in words is "seven million, nine hundred eighty-five thousand, five hundred eighty-seven".