788687 has 2 divisors, whose sum is σ = 788688. Its totient is φ = 788686.

The previous prime is 788677. The next prime is 788701. The reversal of 788687 is 786887.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (786887) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 788687 - 2¹⁸ = 526543 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (788677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 394343 + 394344.

It is an arithmetic number, because the mean of its divisors is an integer number (394344).

2⁷⁸⁸⁶⁸⁷ is an apocalyptic number.

788687 is a deficient number, since it is larger than the sum of its proper divisors (1).

788687 is an equidigital number, since it uses as much as digits as its factorization.

788687 is an odious number, because the sum of its binary digits is odd.

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

The square root of 788687 is about 888.0805143679. The cubic root of 788687 is about 92.3921118557.

The spelling of 788687 in words is "seven hundred eighty-eight thousand, six hundred eighty-seven".