827423561 has 8 divisors (see below), whose sum is σ = 830188800. Its totient is φ = 824664240.

The previous prime is 827423543. The next prime is 827423593. The reversal of 827423561 is 165324728.

It is a happy number.

827423561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 827423561 - 2²² = 823229257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (827423521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 574280 + ... + 575718.

It is an arithmetic number, because the mean of its divisors is an integer number (103773600).

Almost surely, 2^827423561 is an apocalyptic number.

It is an amenable number.

827423561 is a deficient number, since it is larger than the sum of its proper divisors (2765239).

827423561 is a wasteful number, since it uses less digits than its factorization.

827423561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2959.

The product of its digits is 80640, while the sum is 38.

The square root of 827423561 is about 28764.9710759458. The cubic root of 827423561 is about 938.8062260184.

The spelling of 827423561 in words is "eight hundred twenty-seven million, four hundred twenty-three thousand, five hundred sixty-one".