827797 has 4 divisors (see below), whose sum is σ = 831276. Its totient is φ = 824320.

The previous prime is 827791. The next prime is 827803. The reversal of 827797 is 797728.

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

It is an interprime number because it is at equal distance from previous prime (827791) and next prime (827803).

It can be written as a sum of positive squares in 2 ways, for example, as 749956 + 77841 = 866^2 + 279^2 .

It is a cyclic number.

It is not a de Polignac number, because 827797 - 2¹¹ = 825749 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 (827791) 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, 1354 + ... + 1867.

It is an arithmetic number, because the mean of its divisors is an integer number (207819).

2⁸²⁷⁷⁹⁷ is an apocalyptic number.

It is an amenable number.

827797 is a deficient number, since it is larger than the sum of its proper divisors (3479).

827797 is a wasteful number, since it uses less digits than its factorization.

827797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3478.

The product of its digits is 49392, while the sum is 40.

The square root of 827797 is about 909.8335012517. The cubic root of 827797 is about 93.8947441129.

The spelling of 827797 in words is "eight hundred twenty-seven thousand, seven hundred ninety-seven".