82331773 has 2 divisors, whose sum is σ = 82331774. Its totient is φ = 82331772.

The previous prime is 82331759. The next prime is 82331779. The reversal of 82331773 is 37713328.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69672409 + 12659364 = 8347^2 + 3558^2 .

It is a cyclic number.

It is not a de Polignac number, because 82331773 - 2²¹ = 80234621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82331779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41165886 + 41165887.

It is an arithmetic number, because the mean of its divisors is an integer number (41165887).

Almost surely, 2^82331773 is an apocalyptic number.

It is an amenable number.

82331773 is a deficient number, since it is larger than the sum of its proper divisors (1).

82331773 is an equidigital number, since it uses as much as digits as its factorization.

82331773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21168, while the sum is 34.

The square root of 82331773 is about 9073.6857450542. The cubic root of 82331773 is about 435.0332876275.

The spelling of 82331773 in words is "eighty-two million, three hundred thirty-one thousand, seven hundred seventy-three".