82335689 has 2 divisors, whose sum is σ = 82335690. Its totient is φ = 82335688.

The previous prime is 82335661. The next prime is 82335703. The reversal of 82335689 is 98653328.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76125625 + 6210064 = 8725^2 + 2492^2 .

It is a cyclic number.

It is not a de Polignac number, because 82335689 - 2⁸ = 82335433 is a prime.

It is a Chen prime.

It is equal to p_4797773 and since 82335689 and 4797773 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (82335889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41167844 + 41167845.

It is an arithmetic number, because the mean of its divisors is an integer number (41167845).

Almost surely, 2^82335689 is an apocalyptic number.

It is an amenable number.

82335689 is a deficient number, since it is larger than the sum of its proper divisors (1).

82335689 is an equidigital number, since it uses as much as digits as its factorization.

82335689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 44.

The square root of 82335689 is about 9073.9015313150. The cubic root of 82335689 is about 435.0401847758.

The spelling of 82335689 in words is "eighty-two million, three hundred thirty-five thousand, six hundred eighty-nine".