82297769 has 2 divisors, whose sum is σ = 82297770. Its totient is φ = 82297768.

The previous prime is 82297763. The next prime is 82297793. The reversal of 82297769 is 96779228.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80371225 + 1926544 = 8965^2 + 1388^2 .

It is a cyclic number.

It is not a de Polignac number, because 82297769 - 2¹⁶ = 82232233 is a prime.

It is a super-2 number, since 2×82297769² = 13545845564754722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (82297763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41148884 + 41148885.

It is an arithmetic number, because the mean of its divisors is an integer number (41148885).

Almost surely, 2^82297769 is an apocalyptic number.

It is an amenable number.

82297769 is a deficient number, since it is larger than the sum of its proper divisors (1).

82297769 is an equidigital number, since it uses as much as digits as its factorization.

82297769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 762048, while the sum is 50.

The square root of 82297769 is about 9071.8117815572. The cubic root of 82297769 is about 434.9733880756.

The spelling of 82297769 in words is "eighty-two million, two hundred ninety-seven thousand, seven hundred sixty-nine".