827948311 has 4 divisors (see below), whose sum is σ = 829042792. Its totient is φ = 826853832.

The previous prime is 827948281. The next prime is 827948321. The reversal of 827948311 is 113849728.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 827948311 - 2⁷ = 827948183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (827948321) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 546105 + ... + 547618.

It is an arithmetic number, because the mean of its divisors is an integer number (207260698).

Almost surely, 2^827948311 is an apocalyptic number.

827948311 is a deficient number, since it is larger than the sum of its proper divisors (1094481).

827948311 is a wasteful number, since it uses less digits than its factorization.

827948311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094480.

The product of its digits is 96768, while the sum is 43.

The square root of 827948311 is about 28774.0909673963. The cubic root of 827948311 is about 939.0046469496.

The spelling of 827948311 in words is "eight hundred twenty-seven million, nine hundred forty-eight thousand, three hundred eleven".