788780 has 12 divisors (see below), whose sum is σ = 1656480. Its totient is φ = 315504.

The previous prime is 788779. The next prime is 788789. The reversal of 788780 is 87887.

It is not an unprimeable number, because it can be changed into a prime (788789) 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 3 ways as a sum of consecutive naturals, for example, 19700 + ... + 19739.

It is an arithmetic number, because the mean of its divisors is an integer number (138040).

2⁷⁸⁸⁷⁸⁰ is an apocalyptic number.

It is an amenable number.

788780 is an abundant number, since it is smaller than the sum of its proper divisors (867700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

788780 is a wasteful number, since it uses less digits than its factorization.

788780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39448 (or 39446 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 38.

The square root of 788780 is about 888.1328729419. The cubic root of 788780 is about 92.3957432620.

The spelling of 788780 in words is "seven hundred eighty-eight thousand, seven hundred eighty".