80438218271 has 2 divisors, whose sum is σ = 80438218272. Its totient is φ = 80438218270.

The previous prime is 80438218199. The next prime is 80438218309. The reversal of 80438218271 is 17281283408.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80438218271 - 2²⁶ = 80371109407 is a prime.

It is a super-2 number, since 2×80438218271² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80438218571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40219109135 + 40219109136.

It is an arithmetic number, because the mean of its divisors is an integer number (40219109136).

Almost surely, 2^80438218271 is an apocalyptic number.

80438218271 is a deficient number, since it is larger than the sum of its proper divisors (1).

80438218271 is an equidigital number, since it uses as much as digits as its factorization.

80438218271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172032, while the sum is 44.

The spelling of 80438218271 in words is "eighty billion, four hundred thirty-eight million, two hundred eighteen thousand, two hundred seventy-one".