705864255 has 16 divisors (see below), whose sum is σ = 1140567264. Its totient is φ = 372732800.

The previous prime is 705864233. The next prime is 705864311. The reversal of 705864255 is 552468507.

It is not a de Polignac number, because 705864255 - 2⁵ = 705864223 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231444 + ... + 234473.

It is an arithmetic number, because the mean of its divisors is an integer number (71285454).

Almost surely, 2^705864255 is an apocalyptic number.

705864255 is a deficient number, since it is larger than the sum of its proper divisors (434703009).

705864255 is a wasteful number, since it uses less digits than its factorization.

705864255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466026.

The product of its (nonzero) digits is 336000, while the sum is 42.

The square root of 705864255 is about 26568.1059731400. The cubic root of 705864255 is about 890.3765838907.

The spelling of 705864255 in words is "seven hundred five million, eight hundred sixty-four thousand, two hundred fifty-five".