705827853 has 6 divisors (see below), whose sum is σ = 1019529134. Its totient is φ = 470551896.

The previous prime is 705827849. The next prime is 705827891. The reversal of 705827853 is 358728507.

It can be written as a sum of positive squares in only one way, i.e., 393704964 + 312122889 = 19842^2 + 17667^2 .

It is not a de Polignac number, because 705827853 - 2² = 705827849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 705827799 and 705827808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (705827953) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39212650 + ... + 39212667.

Almost surely, 2^705827853 is an apocalyptic number.

It is an amenable number.

705827853 is a deficient number, since it is larger than the sum of its proper divisors (313701281).

705827853 is a wasteful number, since it uses less digits than its factorization.

705827853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78425323 (or 78425320 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 45.

The square root of 705827853 is about 26567.4208947726. The cubic root of 705827853 is about 890.3612778101.

The spelling of 705827853 in words is "seven hundred five million, eight hundred twenty-seven thousand, eight hundred fifty-three".