708857 has 2 divisors, whose sum is σ = 708858. Its totient is φ = 708856.

The previous prime is 708839. The next prime is 708859. The reversal of 708857 is 758807.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 434281 + 274576 = 659^2 + 524^2 .

It is a cyclic number.

It is not a de Polignac number, because 708857 - 2⁸ = 708601 is a prime.

Together with 708859, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (708859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 354428 + 354429.

It is an arithmetic number, because the mean of its divisors is an integer number (354429).

2⁷⁰⁸⁸⁵⁷ is an apocalyptic number.

It is an amenable number.

708857 is a deficient number, since it is larger than the sum of its proper divisors (1).

708857 is an equidigital number, since it uses as much as digits as its factorization.

708857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15680, while the sum is 35.

The square root of 708857 is about 841.9364584100. The cubic root of 708857 is about 89.1633158357.

The spelling of 708857 in words is "seven hundred eight thousand, eight hundred fifty-seven".