827021853 has 24 divisors (see below), whose sum is σ = 1425255360. Its totient is φ = 472583160.

The previous prime is 827021843. The next prime is 827021857. The reversal of 827021853 is 358120728.

827021853 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 827021853 - 2⁴ = 827021837 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (827021857) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 311233 + ... + 313878.

It is an arithmetic number, because the mean of its divisors is an integer number (59385640).

Almost surely, 2^827021853 is an apocalyptic number.

It is an amenable number.

827021853 is a deficient number, since it is larger than the sum of its proper divisors (598233507).

827021853 is a wasteful number, since it uses less digits than its factorization.

827021853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625134 (or 625121 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 827021853 is about 28757.9876382198. The cubic root of 827021853 is about 938.6542736060.

The spelling of 827021853 in words is "eight hundred twenty-seven million, twenty-one thousand, eight hundred fifty-three".