80871293 has 2 divisors, whose sum is σ = 80871294. Its totient is φ = 80871292.

The previous prime is 80871283. The next prime is 80871317. The reversal of 80871293 is 39217808.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61748164 + 19123129 = 7858^2 + 4373^2 .

It is a cyclic number.

It is not a de Polignac number, because 80871293 - 2¹⁰ = 80870269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80871283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40435646 + 40435647.

It is an arithmetic number, because the mean of its divisors is an integer number (40435647).

Almost surely, 2^80871293 is an apocalyptic number.

It is an amenable number.

80871293 is a deficient number, since it is larger than the sum of its proper divisors (1).

80871293 is an equidigital number, since it uses as much as digits as its factorization.

80871293 is an odious number, because the sum of its binary digits is odd.

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

The square root of 80871293 is about 8992.8467684043. The cubic root of 80871293 is about 432.4455797076.

The spelling of 80871293 in words is "eighty million, eight hundred seventy-one thousand, two hundred ninety-three".