827140484 has 12 divisors (see below), whose sum is σ = 1464936144. Its totient is φ = 408587304.

The previous prime is 827140477. The next prime is 827140487. The reversal of 827140484 is 484041728.

It is a happy number.

It is a super-2 number, since 2×827140484² = 1368322760543508512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (827140487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1245362 + ... + 1246025.

It is an arithmetic number, because the mean of its divisors is an integer number (122078012).

Almost surely, 2^827140484 is an apocalyptic number.

It is an amenable number.

827140484 is a deficient number, since it is larger than the sum of its proper divisors (637795660).

827140484 is a wasteful number, since it uses less digits than its factorization.

827140484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2491474 (or 2491472 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 38.

The square root of 827140484 is about 28760.0501390384. The cubic root of 827140484 is about 938.6991527793.

The spelling of 827140484 in words is "eight hundred twenty-seven million, one hundred forty thousand, four hundred eighty-four".