85080829 has 2 divisors, whose sum is σ = 85080830. Its totient is φ = 85080828.

The previous prime is 85080811. The next prime is 85080839. The reversal of 85080829 is 92808058.

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., 54022500 + 31058329 = 7350^2 + 5573^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85080829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85080791 and 85080800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85080839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42540414 + 42540415.

It is an arithmetic number, because the mean of its divisors is an integer number (42540415).

Almost surely, 2^85080829 is an apocalyptic number.

It is an amenable number.

85080829 is a deficient number, since it is larger than the sum of its proper divisors (1).

85080829 is an equidigital number, since it uses as much as digits as its factorization.

85080829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 40.

The square root of 85080829 is about 9223.9269836659. The cubic root of 85080829 is about 439.8222922175.

The spelling of 85080829 in words is "eighty-five million, eighty thousand, eight hundred twenty-nine".