827138125 has 40 divisors (see below), whose sum is σ = 1164227328. Its totient is φ = 582000000.

The previous prime is 827138113. The next prime is 827138149. The reversal of 827138125 is 521831728.

It is not a de Polignac number, because 827138125 - 2⁵ = 827138093 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 211185 + ... + 215065.

Almost surely, 2^827138125 is an apocalyptic number.

It is an amenable number.

827138125 is a deficient number, since it is larger than the sum of its proper divisors (337089203).

827138125 is a wasteful number, since it uses less digits than its factorization.

827138125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3943 (or 3928 counting only the distinct ones).

The product of its digits is 26880, while the sum is 37.

The square root of 827138125 is about 28760.0091272586. The cubic root of 827138125 is about 938.6982603903.

The spelling of 827138125 in words is "eight hundred twenty-seven million, one hundred thirty-eight thousand, one hundred twenty-five".