80806863 has 8 divisors (see below), whose sum is σ = 111218176. Its totient is φ = 52133400.

The previous prime is 80806861. The next prime is 80806877. The reversal of 80806863 is 36860808.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80806863 - 2¹ = 80806861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80806861) 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 in 7 ways as a sum of consecutive naturals, for example, 434353 + ... + 434538.

It is an arithmetic number, because the mean of its divisors is an integer number (13902272).

Almost surely, 2^80806863 is an apocalyptic number.

80806863 is a deficient number, since it is larger than the sum of its proper divisors (30411313).

80806863 is a wasteful number, since it uses less digits than its factorization.

80806863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868925.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 80806863 is about 8989.2637629563. The cubic root of 80806863 is about 432.3307063482.

The spelling of 80806863 in words is "eighty million, eight hundred six thousand, eight hundred sixty-three".