7987288 has 8 divisors (see below), whose sum is σ = 14976180. Its totient is φ = 3993640.

The previous prime is 7987253. The next prime is 7987289. The reversal of 7987288 is 8827897.

7987288 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7987289) 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, 499198 + ... + 499213.

Almost surely, 2^7987288 is an apocalyptic number.

It is an amenable number.

7987288 is a deficient number, since it is larger than the sum of its proper divisors (6988892).

7987288 is a wasteful number, since it uses less digits than its factorization.

7987288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998417 (or 998413 counting only the distinct ones).

The product of its digits is 451584, while the sum is 49.

The square root of 7987288 is about 2826.1790459912. The cubic root of 7987288 is about 199.8940105077.

The spelling of 7987288 in words is "seven million, nine hundred eighty-seven thousand, two hundred eighty-eight".