788728823 has 2 divisors, whose sum is σ = 788728824. Its totient is φ = 788728822.

The previous prime is 788728807. The next prime is 788728867. The reversal of 788728823 is 328827887.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 788728823 - 2⁴ = 788728807 is a prime.

It is a super-3 number, since 3×788728823³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (788728873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 394364411 + 394364412.

It is an arithmetic number, because the mean of its divisors is an integer number (394364412).

Almost surely, 2^788728823 is an apocalyptic number.

788728823 is a deficient number, since it is larger than the sum of its proper divisors (1).

788728823 is an equidigital number, since it uses as much as digits as its factorization.

788728823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2408448, while the sum is 53.

The square root of 788728823 is about 28084.3163171191. The cubic root of 788728823 is about 923.9374496959.

The spelling of 788728823 in words is "seven hundred eighty-eight million, seven hundred twenty-eight thousand, eight hundred twenty-three".