793405889 has 2 divisors, whose sum is σ = 793405890. Its totient is φ = 793405888.

The previous prime is 793405849. The next prime is 793405891. The reversal of 793405889 is 988504397.

793405889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 745726864 + 47679025 = 27308^2 + 6905^2 .

It is an emirp because it is prime and its reverse (988504397) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 793405889 - 2¹² = 793401793 is a prime.

Together with 793405891, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 793405889.

It is not a weakly prime, because it can be changed into another prime (793405849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 396702944 + 396702945.

It is an arithmetic number, because the mean of its divisors is an integer number (396702945).

Almost surely, 2^793405889 is an apocalyptic number.

It is an amenable number.

793405889 is a deficient number, since it is larger than the sum of its proper divisors (1).

793405889 is an equidigital number, since it uses as much as digits as its factorization.

793405889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The square root of 793405889 is about 28167.4615292184. The cubic root of 793405889 is about 925.7601305751.

The spelling of 793405889 in words is "seven hundred ninety-three million, four hundred five thousand, eight hundred eighty-nine".