82194934277 has 2 divisors, whose sum is σ = 82194934278. Its totient is φ = 82194934276.

The previous prime is 82194934273. The next prime is 82194934319. The reversal of 82194934277 is 77243949128.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70897582756 + 11297351521 = 266266^2 + 106289^2 .

It is a cyclic number.

It is not a de Polignac number, because 82194934277 - 2² = 82194934273 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82194934273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41097467138 + 41097467139.

It is an arithmetic number, because the mean of its divisors is an integer number (41097467139).

Almost surely, 2^82194934277 is an apocalyptic number.

It is an amenable number.

82194934277 is a deficient number, since it is larger than the sum of its proper divisors (1).

82194934277 is an equidigital number, since it uses as much as digits as its factorization.

82194934277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6096384, while the sum is 56.

The spelling of 82194934277 in words is "eighty-two billion, one hundred ninety-four million, nine hundred thirty-four thousand, two hundred seventy-seven".