83880829 has 2 divisors, whose sum is σ = 83880830. Its totient is φ = 83880828.

The previous prime is 83880817. The next prime is 83880883. The reversal of 83880829 is 92808838.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64432729 + 19448100 = 8027^2 + 4410^2 .

It is a cyclic number.

It is not a de Polignac number, because 83880829 - 2⁹ = 83880317 is a prime.

It is a congruent number.

It is a weakly prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41940414 + 41940415.

It is an arithmetic number, because the mean of its divisors is an integer number (41940415).

Almost surely, 2^83880829 is an apocalyptic number.

It is an amenable number.

83880829 is a deficient number, since it is larger than the sum of its proper divisors (1).

83880829 is an equidigital number, since it uses as much as digits as its factorization.

83880829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 221184, while the sum is 46.

The square root of 83880829 is about 9158.6477713689. The cubic root of 83880829 is about 437.7447081624.

The spelling of 83880829 in words is "eighty-three million, eight hundred eighty thousand, eight hundred twenty-nine".