7880668 has 24 divisors (see below), whose sum is σ = 14680400. Its totient is φ = 3691008.

The previous prime is 7880659. The next prime is 7880671. The reversal of 7880668 is 8660887.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6838 + ... + 7906.

Almost surely, 2^7880668 is an apocalyptic number.

It is an amenable number.

7880668 is a deficient number, since it is larger than the sum of its proper divisors (6799732).

7880668 is a wasteful number, since it uses less digits than its factorization.

7880668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189 (or 1187 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 43.

The square root of 7880668 is about 2807.2527495756. The cubic root of 7880668 is about 199.0005807917. Note that the first 3 decimals are identical.

The spelling of 7880668 in words is "seven million, eight hundred eighty thousand, six hundred sixty-eight".