82757620811 has 2 divisors, whose sum is σ = 82757620812. Its totient is φ = 82757620810.

The previous prime is 82757620787. The next prime is 82757620817. The reversal of 82757620811 is 11802675728.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82757620811 - 2⁶ = 82757620747 is a prime.

It is not a weakly prime, because it can be changed into another prime (82757620817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41378810405 + 41378810406.

It is an arithmetic number, because the mean of its divisors is an integer number (41378810406).

Almost surely, 2^82757620811 is an apocalyptic number.

82757620811 is a deficient number, since it is larger than the sum of its proper divisors (1).

82757620811 is an equidigital number, since it uses as much as digits as its factorization.

82757620811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 376320, while the sum is 47.

The spelling of 82757620811 in words is "eighty-two billion, seven hundred fifty-seven million, six hundred twenty thousand, eight hundred eleven".