82196773 has 2 divisors, whose sum is σ = 82196774. Its totient is φ = 82196772.

The previous prime is 82196767. The next prime is 82196783. The reversal of 82196773 is 37769128.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73564929 + 8631844 = 8577^2 + 2938^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82196773 is a prime.

It is a super-2 number, since 2×82196773² = 13512618983227058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82196713) 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, 41098386 + 41098387.

It is an arithmetic number, because the mean of its divisors is an integer number (41098387).

Almost surely, 2^82196773 is an apocalyptic number.

It is an amenable number.

82196773 is a deficient number, since it is larger than the sum of its proper divisors (1).

82196773 is an equidigital number, since it uses as much as digits as its factorization.

82196773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 43.

The square root of 82196773 is about 9066.2435991981. The cubic root of 82196773 is about 434.7953818118.

The spelling of 82196773 in words is "eighty-two million, one hundred ninety-six thousand, seven hundred seventy-three".