80882837831261 has 2 divisors, whose sum is σ = 80882837831262. Its totient is φ = 80882837831260.

The previous prime is 80882837831227. The next prime is 80882837831273. The reversal of 80882837831261 is 16213873828808.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80712363808036 + 170474023225 = 8984006^2 + 412885^2 .

It is a cyclic number.

It is not a de Polignac number, because 80882837831261 - 2³⁴ = 80865657962077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80882837831221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40441418915630 + 40441418915631.

It is an arithmetic number, because the mean of its divisors is an integer number (40441418915631).

Almost surely, 2^{80882837831261} is an apocalyptic number.

It is an amenable number.

80882837831261 is a deficient number, since it is larger than the sum of its proper divisors (1).

80882837831261 is an equidigital number, since it uses as much as digits as its factorization.

80882837831261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 49545216, while the sum is 65.

The spelling of 80882837831261 in words is "eighty trillion, eight hundred eighty-two billion, eight hundred thirty-seven million, eight hundred thirty-one thousand, two hundred sixty-one".