788666 has 8 divisors (see below), whose sum is σ = 1197504. Its totient is φ = 389500.

The previous prime is 788659. The next prime is 788677. The reversal of 788666 is 666887.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

788666 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2210 + ... + 2541.

It is an arithmetic number, because the mean of its divisors is an integer number (149688).

2⁷⁸⁸⁶⁶⁶ is an apocalyptic number.

788666 is a deficient number, since it is larger than the sum of its proper divisors (408838).

788666 is a wasteful number, since it uses less digits than its factorization.

788666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4836.

The product of its digits is 96768, while the sum is 41.

The square root of 788666 is about 888.0686910369. The cubic root of 788666 is about 92.3912918213.

The spelling of 788666 in words is "seven hundred eighty-eight thousand, six hundred sixty-six".