705740868255 has 16 divisors (see below), whose sum is σ = 1129571241984. Its totient is φ = 376266512160.

The previous prime is 705740868211. The next prime is 705740868281. The reversal of 705740868255 is 552868047507.

705740868255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 705740868255 - 2⁷ = 705740868127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 705740868195 and 705740868204.

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, 7993231 + ... + 8081040.

It is an arithmetic number, because the mean of its divisors is an integer number (70598202624).

Almost surely, 2^705740868255 is an apocalyptic number.

705740868255 is a deficient number, since it is larger than the sum of its proper divisors (423830373729).

705740868255 is a wasteful number, since it uses less digits than its factorization.

705740868255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16077206.

The product of its (nonzero) digits is 18816000, while the sum is 57.

The spelling of 705740868255 in words is "seven hundred five billion, seven hundred forty million, eight hundred sixty-eight thousand, two hundred fifty-five".