706018889 has 2 divisors, whose sum is σ = 706018890. Its totient is φ = 706018888.

The previous prime is 706018877. The next prime is 706018927. The reversal of 706018889 is 988810607.

706018889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 525922489 + 180096400 = 22933^2 + 13420^2 .

It is a cyclic number.

It is not a de Polignac number, because 706018889 - 2²⁰ = 704970313 is a prime.

It is not a weakly prime, because it can be changed into another prime (706018829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353009444 + 353009445.

It is an arithmetic number, because the mean of its divisors is an integer number (353009445).

Almost surely, 2^706018889 is an apocalyptic number.

It is an amenable number.

706018889 is a deficient number, since it is larger than the sum of its proper divisors (1).

706018889 is an equidigital number, since it uses as much as digits as its factorization.

706018889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 193536, while the sum is 47.

The square root of 706018889 is about 26571.0159572418. The cubic root of 706018889 is about 890.4415975430.

The spelling of 706018889 in words is "seven hundred six million, eighteen thousand, eight hundred eighty-nine".