80839271 has 2 divisors, whose sum is σ = 80839272. Its totient is φ = 80839270.

The previous prime is 80839237. The next prime is 80839279. The reversal of 80839271 is 17293808.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80839271 is a prime.

It is a super-2 number, since 2×80839271² = 13069975471622882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80839279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40419635 + 40419636.

It is an arithmetic number, because the mean of its divisors is an integer number (40419636).

Almost surely, 2^80839271 is an apocalyptic number.

80839271 is a deficient number, since it is larger than the sum of its proper divisors (1).

80839271 is an equidigital number, since it uses as much as digits as its factorization.

80839271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 80839271 is about 8991.0661770449. The cubic root of 80839271 is about 432.3884947603.

The spelling of 80839271 in words is "eighty million, eight hundred thirty-nine thousand, two hundred seventy-one".