706438847 has 2 divisors, whose sum is σ = 706438848. Its totient is φ = 706438846.

The previous prime is 706438841. The next prime is 706438861. The reversal of 706438847 is 748834607.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 706438847 - 2⁶ = 706438783 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 (706438841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353219423 + 353219424.

It is an arithmetic number, because the mean of its divisors is an integer number (353219424).

Almost surely, 2^706438847 is an apocalyptic number.

706438847 is a deficient number, since it is larger than the sum of its proper divisors (1).

706438847 is an equidigital number, since it uses as much as digits as its factorization.

706438847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 903168, while the sum is 47.

The square root of 706438847 is about 26578.9173406292. The cubic root of 706438847 is about 890.6181149885.

The spelling of 706438847 in words is "seven hundred six million, four hundred thirty-eight thousand, eight hundred forty-seven".