851093211 has 16 divisors (see below), whose sum is σ = 1163352960. Its totient is φ = 553135680.

The previous prime is 851093207. The next prime is 851093233. The reversal of 851093211 is 112390158.

It is not a de Polignac number, because 851093211 - 2² = 851093207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (851093291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315876 + ... + 318558.

It is an arithmetic number, because the mean of its divisors is an integer number (72709560).

Almost surely, 2^851093211 is an apocalyptic number.

851093211 is a deficient number, since it is larger than the sum of its proper divisors (312259749).

851093211 is a wasteful number, since it uses less digits than its factorization.

851093211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5306.

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 851093211 is about 29173.5018638490. The cubic root of 851093211 is about 947.6741667612.

The spelling of 851093211 in words is "eight hundred fifty-one million, ninety-three thousand, two hundred eleven".