82796126261 has 2 divisors, whose sum is σ = 82796126262. Its totient is φ = 82796126260.

The previous prime is 82796126227. The next prime is 82796126299. The reversal of 82796126261 is 16262169728.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82317348100 + 478778161 = 286910^2 + 21881^2 .

It is a cyclic number.

It is not a de Polignac number, because 82796126261 - 2³⁰ = 81722384437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82796126221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41398063130 + 41398063131.

It is an arithmetic number, because the mean of its divisors is an integer number (41398063131).

Almost surely, 2^82796126261 is an apocalyptic number.

It is an amenable number.

82796126261 is a deficient number, since it is larger than the sum of its proper divisors (1).

82796126261 is an equidigital number, since it uses as much as digits as its factorization.

82796126261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 50.

The spelling of 82796126261 in words is "eighty-two billion, seven hundred ninety-six million, one hundred twenty-six thousand, two hundred sixty-one".