Search a number
-
+
807797 is a prime number
BaseRepresentation
bin11000101001101110101
31112001002102
43011031311
5201322142
625151445
76603044
oct3051565
91461072
10807797
11501a01
1232b585
132238b3
1417055b
1510e532
hexc5375

807797 has 2 divisors, whose sum is σ = 807798. Its totient is φ = 807796.

The previous prime is 807787. The next prime is 807809. The reversal of 807797 is 797708.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 784996 + 22801 = 886^2 + 151^2 .

It is a cyclic number.

It is not a de Polignac number, because 807797 - 26 = 807733 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 807797.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (807707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 403898 + 403899.

It is an arithmetic number, because the mean of its divisors is an integer number (403899).

2807797 is an apocalyptic number.

It is an amenable number.

807797 is a deficient number, since it is larger than the sum of its proper divisors (1).

807797 is an equidigital number, since it uses as much as digits as its factorization.

807797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24696, while the sum is 38.

The square root of 807797 is about 898.7752778086. The cubic root of 807797 is about 93.1323893961.

The spelling of 807797 in words is "eight hundred seven thousand, seven hundred ninety-seven".