827985467 has 4 divisors (see below), whose sum is σ = 856536720. Its totient is φ = 799434216.

The previous prime is 827985463. The next prime is 827985523. The reversal of 827985467 is 764589728.

827985467 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 827985467 - 2² = 827985463 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (827985461) 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, 14275583 + ... + 14275640.

It is an arithmetic number, because the mean of its divisors is an integer number (214134180).

Almost surely, 2^827985467 is an apocalyptic number.

827985467 is a deficient number, since it is larger than the sum of its proper divisors (28551253).

827985467 is a wasteful number, since it uses less digits than its factorization.

827985467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28551252.

The product of its digits is 6773760, while the sum is 56.

The square root of 827985467 is about 28774.7366104366. The cubic root of 827985467 is about 939.0186933719.

The spelling of 827985467 in words is "eight hundred twenty-seven million, nine hundred eighty-five thousand, four hundred sixty-seven".