80462521866893 has 2 divisors, whose sum is σ = 80462521866894. Its totient is φ = 80462521866892.

The previous prime is 80462521866847. The next prime is 80462521866913. The reversal of 80462521866893 is 39866812526408.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54972170719684 + 25490351147209 = 7414322^2 + 5048797^2 .

It is a cyclic number.

It is not a de Polignac number, because 80462521866893 - 2¹⁶ = 80462521801357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80462521866823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40231260933446 + 40231260933447.

It is an arithmetic number, because the mean of its divisors is an integer number (40231260933447).

Almost surely, 2^{80462521866893} is an apocalyptic number.

It is an amenable number.

80462521866893 is a deficient number, since it is larger than the sum of its proper divisors (1).

80462521866893 is an equidigital number, since it uses as much as digits as its factorization.

80462521866893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 238878720, while the sum is 68.

The spelling of 80462521866893 in words is "eighty trillion, four hundred sixty-two billion, five hundred twenty-one million, eight hundred sixty-six thousand, eight hundred ninety-three".