85262797 has 2 divisors, whose sum is σ = 85262798. Its totient is φ = 85262796.

The previous prime is 85262777. The next prime is 85262809. The reversal of 85262797 is 79726258.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67798756 + 17464041 = 8234^2 + 4179^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85262797 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85262767) 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, 42631398 + 42631399.

It is an arithmetic number, because the mean of its divisors is an integer number (42631399).

Almost surely, 2^85262797 is an apocalyptic number.

It is an amenable number.

85262797 is a deficient number, since it is larger than the sum of its proper divisors (1).

85262797 is an equidigital number, since it uses as much as digits as its factorization.

85262797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423360, while the sum is 46.

The square root of 85262797 is about 9233.7856267080. The cubic root of 85262797 is about 440.1356279549.

The spelling of 85262797 in words is "eighty-five million, two hundred sixty-two thousand, seven hundred ninety-seven".