7985287 has 2 divisors, whose sum is σ = 7985288. Its totient is φ = 7985286.

The previous prime is 7985279. The next prime is 7985293. The reversal of 7985287 is 7825897.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7985287 - 2³ = 7985279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7985227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3992643 + 3992644.

It is an arithmetic number, because the mean of its divisors is an integer number (3992644).

Almost surely, 2^7985287 is an apocalyptic number.

7985287 is a deficient number, since it is larger than the sum of its proper divisors (1).

7985287 is an equidigital number, since it uses as much as digits as its factorization.

7985287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 282240, while the sum is 46.

The square root of 7985287 is about 2825.8250122752. The cubic root of 7985287 is about 199.8773164258.

The spelling of 7985287 in words is "seven million, nine hundred eighty-five thousand, two hundred eighty-seven".