80863 has 2 divisors, whose sum is σ = 80864. Its totient is φ = 80862.

The previous prime is 80849. The next prime is 80897. The reversal of 80863 is 36808.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80863 - 2⁵ = 80831 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40431 + 40432.

It is an arithmetic number, because the mean of its divisors is an integer number (40432).

2⁸⁰⁸⁶³ is an apocalyptic number.

80863 is a deficient number, since it is larger than the sum of its proper divisors (1).

80863 is an equidigital number, since it uses as much as digits as its factorization.

80863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 80863 is about 284.3642030917. The cubic root of 80863 is about 43.2430797397.

The spelling of 80863 in words is "eighty thousand, eight hundred sixty-three".