82320929 has 2 divisors, whose sum is σ = 82320930. Its totient is φ = 82320928.

The previous prime is 82320913. The next prime is 82320941. The reversal of 82320929 is 92902328.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82319329 + 1600 = 9073^2 + 40^2 .

It is a cyclic number.

It is not a de Polignac number, because 82320929 - 2⁴ = 82320913 is a prime.

It is not a weakly prime, because it can be changed into another prime (82320949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41160464 + 41160465.

It is an arithmetic number, because the mean of its divisors is an integer number (41160465).

Almost surely, 2^82320929 is an apocalyptic number.

It is an amenable number.

82320929 is a deficient number, since it is larger than the sum of its proper divisors (1).

82320929 is an equidigital number, since it uses as much as digits as its factorization.

82320929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 82320929 is about 9073.0881732738. The cubic root of 82320929 is about 435.0141872327.

The spelling of 82320929 in words is "eighty-two million, three hundred twenty thousand, nine hundred twenty-nine".