827644053 has 16 divisors (see below), whose sum is σ = 1120158720. Its totient is φ = 543479664.

The previous prime is 827644007. The next prime is 827644057. The reversal of 827644053 is 350446728.

It is a happy number.

It is not a de Polignac number, because 827644053 - 2⁹ = 827643541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (827644057) 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, 101050 + ... + 108932.

It is an arithmetic number, because the mean of its divisors is an integer number (70009920).

Almost surely, 2^827644053 is an apocalyptic number.

It is an amenable number.

827644053 is a deficient number, since it is larger than the sum of its proper divisors (292514667).

827644053 is a wasteful number, since it uses less digits than its factorization.

827644053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8408.

The product of its (nonzero) digits is 161280, while the sum is 39.

The square root of 827644053 is about 28768.8034683405. The cubic root of 827644053 is about 938.8896097040.

The spelling of 827644053 in words is "eight hundred twenty-seven million, six hundred forty-four thousand, fifty-three".