827127198 has 12 divisors (see below), whose sum is σ = 1792108968. Its totient is φ = 275709060.

The previous prime is 827127179. The next prime is 827127211. The reversal of 827127198 is 891721728.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22975738 + ... + 22975773.

It is an arithmetic number, because the mean of its divisors is an integer number (149342414).

Almost surely, 2^827127198 is an apocalyptic number.

827127198 is an abundant number, since it is smaller than the sum of its proper divisors (964981770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

827127198 is a wasteful number, since it uses less digits than its factorization.

827127198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45951519 (or 45951516 counting only the distinct ones).

The product of its digits is 112896, while the sum is 45.

The square root of 827127198 is about 28759.8191579850. The cubic root of 827127198 is about 938.6941267795.

The spelling of 827127198 in words is "eight hundred twenty-seven million, one hundred twenty-seven thousand, one hundred ninety-eight".