82667710485853 has 2 divisors, whose sum is σ = 82667710485854. Its totient is φ = 82667710485852.

The previous prime is 82667710485809. The next prime is 82667710485883. The reversal of 82667710485853 is 35858401776628.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60815619642969 + 21852090842884 = 7798437^2 + 4674622^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82667710485853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82667710485883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41333855242926 + 41333855242927.

It is an arithmetic number, because the mean of its divisors is an integer number (41333855242927).

Almost surely, 2^{82667710485853} is an apocalyptic number.

It is an amenable number.

82667710485853 is a deficient number, since it is larger than the sum of its proper divisors (1).

82667710485853 is an equidigital number, since it uses as much as digits as its factorization.

82667710485853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 541900800, while the sum is 70.

The spelling of 82667710485853 in words is "eighty-two trillion, six hundred sixty-seven billion, seven hundred ten million, four hundred eighty-five thousand, eight hundred fifty-three".