705235087 has 2 divisors, whose sum is σ = 705235088. Its totient is φ = 705235086.

The previous prime is 705235067. The next prime is 705235109. The reversal of 705235087 is 780532507.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-705235087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (705235007) 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, 352617543 + 352617544.

It is an arithmetic number, because the mean of its divisors is an integer number (352617544).

Almost surely, 2^705235087 is an apocalyptic number.

705235087 is a deficient number, since it is larger than the sum of its proper divisors (1).

705235087 is an equidigital number, since it uses as much as digits as its factorization.

705235087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58800, while the sum is 37.

The square root of 705235087 is about 26556.2626700370. The cubic root of 705235087 is about 890.1119612546. Note that the first 3 decimals are identical.

The spelling of 705235087 in words is "seven hundred five million, two hundred thirty-five thousand, eighty-seven".