82376778264097 has 2 divisors, whose sum is σ = 82376778264098. Its totient is φ = 82376778264096.

The previous prime is 82376778264083. The next prime is 82376778264197. The reversal of 82376778264097 is 79046287767328.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64732065549376 + 17644712714721 = 8045624^2 + 4200561^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82376778264097 is a prime.

It is not a weakly prime, because it can be changed into another prime (82376778264007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41188389132048 + 41188389132049.

It is an arithmetic number, because the mean of its divisors is an integer number (41188389132049).

Almost surely, 2^{82376778264097} is an apocalyptic number.

It is an amenable number.

82376778264097 is a deficient number, since it is larger than the sum of its proper divisors (1).

82376778264097 is an equidigital number, since it uses as much as digits as its factorization.

82376778264097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2389782528, while the sum is 76.

The spelling of 82376778264097 in words is "eighty-two trillion, three hundred seventy-six billion, seven hundred seventy-eight million, two hundred sixty-four thousand, ninety-seven".