7988668 has 12 divisors (see below), whose sum is σ = 14039872. Its totient is φ = 3977280.

The previous prime is 7988663. The next prime is 7988689. The reversal of 7988668 is 8668897.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7988663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3180 + ... + 5107.

Almost surely, 2^7988668 is an apocalyptic number.

It is an amenable number.

7988668 is a deficient number, since it is larger than the sum of its proper divisors (6051204).

7988668 is a wasteful number, since it uses less digits than its factorization.

7988668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8532 (or 8530 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 52.

The square root of 7988668 is about 2826.4231813371. The cubic root of 7988668 is about 199.9055220433.

The spelling of 7988668 in words is "seven million, nine hundred eighty-eight thousand, six hundred sixty-eight".