82606969 has 2 divisors, whose sum is σ = 82606970. Its totient is φ = 82606968.

The previous prime is 82606949. The next prime is 82606973. The reversal of 82606969 is 96960628.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55950400 + 26656569 = 7480^2 + 5163^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82606969 is a prime.

It is a super-2 number, since 2×82606969² = 13647822654733922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (82606919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41303484 + 41303485.

It is an arithmetic number, because the mean of its divisors is an integer number (41303485).

Almost surely, 2^82606969 is an apocalyptic number.

It is an amenable number.

82606969 is a deficient number, since it is larger than the sum of its proper divisors (1).

82606969 is an equidigital number, since it uses as much as digits as its factorization.

82606969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 82606969 is about 9088.8376044465. The cubic root of 82606969 is about 435.5174517804.

The spelling of 82606969 in words is "eighty-two million, six hundred six thousand, nine hundred sixty-nine".