82667329 has 2 divisors, whose sum is σ = 82667330. Its totient is φ = 82667328.

The previous prime is 82667323. The next prime is 82667363. The reversal of 82667329 is 92376628.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81866304 + 801025 = 9048^2 + 895^2 .

It is a cyclic number.

It is not a de Polignac number, because 82667329 - 2¹¹ = 82665281 is a prime.

It is not a weakly prime, because it can be changed into another prime (82667323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41333664 + 41333665.

It is an arithmetic number, because the mean of its divisors is an integer number (41333665).

Almost surely, 2^82667329 is an apocalyptic number.

It is an amenable number.

82667329 is a deficient number, since it is larger than the sum of its proper divisors (1).

82667329 is an equidigital number, since it uses as much as digits as its factorization.

82667329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 43.

The square root of 82667329 is about 9092.1575547281. The cubic root of 82667329 is about 435.6235018855.

The spelling of 82667329 in words is "eighty-two million, six hundred sixty-seven thousand, three hundred twenty-nine".