80406774011843 has 2 divisors, whose sum is σ = 80406774011844. Its totient is φ = 80406774011842.

The previous prime is 80406774011803. The next prime is 80406774011857. The reversal of 80406774011843 is 34811047760408.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80406774011843 - 2¹⁶ = 80406773946307 is a prime.

It is not a weakly prime, because it can be changed into another prime (80406774011803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40203387005921 + 40203387005922.

It is an arithmetic number, because the mean of its divisors is an integer number (40203387005922).

Almost surely, 2^{80406774011843} is an apocalyptic number.

80406774011843 is a deficient number, since it is larger than the sum of its proper divisors (1).

80406774011843 is an equidigital number, since it uses as much as digits as its factorization.

80406774011843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3612672, while the sum is 53.

The spelling of 80406774011843 in words is "eighty trillion, four hundred six billion, seven hundred seventy-four million, eleven thousand, eight hundred forty-three".