704878243 has 2 divisors, whose sum is σ = 704878244. Its totient is φ = 704878242.

The previous prime is 704878219. The next prime is 704878249. The reversal of 704878243 is 342878407.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 704878243 - 2⁹ = 704877731 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 704878243.

It is not a weakly prime, because it can be changed into another prime (704878249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352439121 + 352439122.

It is an arithmetic number, because the mean of its divisors is an integer number (352439122).

Almost surely, 2^704878243 is an apocalyptic number.

704878243 is a deficient number, since it is larger than the sum of its proper divisors (1).

704878243 is an equidigital number, since it uses as much as digits as its factorization.

704878243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 301056, while the sum is 43.

The square root of 704878243 is about 26549.5431787441. The cubic root of 704878243 is about 889.9618057926.

The spelling of 704878243 in words is "seven hundred four million, eight hundred seventy-eight thousand, two hundred forty-three".