80271479 has 2 divisors, whose sum is σ = 80271480. Its totient is φ = 80271478.

The previous prime is 80271473. The next prime is 80271517. The reversal of 80271479 is 97417208.

It is an a-pointer prime, because the next prime (80271517) can be obtained adding 80271479 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80271479 - 2²⁰ = 79222903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80271473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40135739 + 40135740.

It is an arithmetic number, because the mean of its divisors is an integer number (40135740).

Almost surely, 2^80271479 is an apocalyptic number.

80271479 is a deficient number, since it is larger than the sum of its proper divisors (1).

80271479 is an equidigital number, since it uses as much as digits as its factorization.

80271479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 80271479 is about 8959.4351942519. The cubic root of 80271479 is about 431.3737908573.

The spelling of 80271479 in words is "eighty million, two hundred seventy-one thousand, four hundred seventy-nine".