827316797 has 2 divisors, whose sum is σ = 827316798. Its totient is φ = 827316796.

The previous prime is 827316793. The next prime is 827316799. The reversal of 827316797 is 797613728.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 775678201 + 51638596 = 27851^2 + 7186^2 .

It is a cyclic number.

It is not a de Polignac number, because 827316797 - 2² = 827316793 is a prime.

Together with 827316799, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (827316793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 413658398 + 413658399.

It is an arithmetic number, because the mean of its divisors is an integer number (413658399).

Almost surely, 2^827316797 is an apocalyptic number.

It is an amenable number.

827316797 is a deficient number, since it is larger than the sum of its proper divisors (1).

827316797 is an equidigital number, since it uses as much as digits as its factorization.

827316797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 889056, while the sum is 50.

The square root of 827316797 is about 28763.1152172361. The cubic root of 827316797 is about 938.7658456442.

The spelling of 827316797 in words is "eight hundred twenty-seven million, three hundred sixteen thousand, seven hundred ninety-seven".