827954489 has 4 divisors (see below), whose sum is σ = 828047220. Its totient is φ = 827861760.

The previous prime is 827954459. The next prime is 827954497. The reversal of 827954489 is 984459728.

827954489 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, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 548496400 + 279458089 = 23420^2 + 16717^2 .

It is a cyclic number.

It is not a de Polignac number, because 827954489 - 2⁸ = 827954233 is a prime.

It is a super-2 number, since 2×827954489² = 1371017271710502242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (827954429) 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, 31352 + ... + 51369.

It is an arithmetic number, because the mean of its divisors is an integer number (207011805).

Almost surely, 2^827954489 is an apocalyptic number.

It is an amenable number.

827954489 is a deficient number, since it is larger than the sum of its proper divisors (92731).

827954489 is a wasteful number, since it uses less digits than its factorization.

827954489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92730.

The product of its digits is 5806080, while the sum is 56.

The square root of 827954489 is about 28774.1983207178. The cubic root of 827954489 is about 939.0069825045.

The spelling of 827954489 in words is "eight hundred twenty-seven million, nine hundred fifty-four thousand, four hundred eighty-nine".