82040029 has 2 divisors, whose sum is σ = 82040030. Its totient is φ = 82040028.

The previous prime is 82040017. The next prime is 82040033. The reversal of 82040029 is 92004028.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51768025 + 30272004 = 7195^2 + 5502^2 .

It is a cyclic number.

It is not a de Polignac number, because 82040029 - 2⁷ = 82039901 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82039985 and 82040012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82040069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41020014 + 41020015.

It is an arithmetic number, because the mean of its divisors is an integer number (41020015).

Almost surely, 2^82040029 is an apocalyptic number.

It is an amenable number.

82040029 is a deficient number, since it is larger than the sum of its proper divisors (1).

82040029 is an equidigital number, since it uses as much as digits as its factorization.

82040029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 82040029 is about 9057.5951002460. The cubic root of 82040029 is about 434.5188302676.

The spelling of 82040029 in words is "eighty-two million, forty thousand, twenty-nine".