855680211 has 12 divisors (see below), whose sum is σ = 1236250392. Its totient is φ = 570329856.

The previous prime is 855680173. The next prime is 855680233. The reversal of 855680211 is 112086558.

855680211 is a `hidden beast` number, since 8 + 556 + 80 + 21 + 1 = 666.

It is not a de Polignac number, because 855680211 - 2⁷ = 855680083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (855680251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55980 + ... + 69606.

It is an arithmetic number, because the mean of its divisors is an integer number (103020866).

Almost surely, 2^855680211 is an apocalyptic number.

855680211 is a deficient number, since it is larger than the sum of its proper divisors (380570181).

855680211 is a wasteful number, since it uses less digits than its factorization.

855680211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20610 (or 20607 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 36.

The square root of 855680211 is about 29252.0120846413. The cubic root of 855680211 is about 949.3736262475.

The spelling of 855680211 in words is "eight hundred fifty-five million, six hundred eighty thousand, two hundred eleven".