855808706 has 12 divisors (see below), whose sum is σ = 1291231602. Its totient is φ = 425401344.

The previous prime is 855808699. The next prime is 855808739. The reversal of 855808706 is 607808558.

It can be written as a sum of positive squares in 3 ways, for example, as 387735481 + 468073225 = 19691^2 + 21635^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 574010 + ... + 575498.

Almost surely, 2^855808706 is an apocalyptic number.

855808706 is a deficient number, since it is larger than the sum of its proper divisors (435422896).

855808706 is an equidigital number, since it uses as much as digits as its factorization.

855808706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3173 (or 1684 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 47.

The square root of 855808706 is about 29254.2083468345. The cubic root of 855808706 is about 949.4211454246.

The spelling of 855808706 in words is "eight hundred fifty-five million, eight hundred eight thousand, seven hundred six".