789228887 has 2 divisors, whose sum is σ = 789228888. Its totient is φ = 789228886.

The previous prime is 789228863. The next prime is 789228931. The reversal of 789228887 is 788822987.

It is a weak prime.

It is an emirp because it is prime and its reverse (788822987) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 789228887 - 2¹⁰ = 789227863 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 (789228827) 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, 394614443 + 394614444.

It is an arithmetic number, because the mean of its divisors is an integer number (394614444).

Almost surely, 2^789228887 is an apocalyptic number.

789228887 is a deficient number, since it is larger than the sum of its proper divisors (1).

789228887 is an equidigital number, since it uses as much as digits as its factorization.

789228887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7225344, while the sum is 59.

The square root of 789228887 is about 28093.2178114220. The cubic root of 789228887 is about 924.1326711011.

The spelling of 789228887 in words is "seven hundred eighty-nine million, two hundred twenty-eight thousand, eight hundred eighty-seven".