788678 has 12 divisors (see below), whose sum is σ = 1300740. Its totient is φ = 358380.

The previous prime is 788677. The next prime is 788687. The reversal of 788678 is 876887.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (788677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1388 + ... + 1871.

It is an arithmetic number, because the mean of its divisors is an integer number (108395).

2⁷⁸⁸⁶⁷⁸ is an apocalyptic number.

788678 is a deficient number, since it is larger than the sum of its proper divisors (512062).

788678 is a wasteful number, since it uses less digits than its factorization.

788678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3283 (or 3272 counting only the distinct ones).

The product of its digits is 150528, while the sum is 44.

The square root of 788678 is about 888.0754472453. The cubic root of 788678 is about 92.3917604142.

Subtracting 788678 from its reverse (876887), we obtain a square (88209 = 297²).

The spelling of 788678 in words is "seven hundred eighty-eight thousand, six hundred seventy-eight".