80863443 has 6 divisors (see below), whose sum is σ = 116802764. Its totient is φ = 53908956.

The previous prime is 80863427. The next prime is 80863457. The reversal of 80863443 is 34436808.

It is not a de Polignac number, because 80863443 - 2⁴ = 80863427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80863398 and 80863407.

It is not an unprimeable number, because it can be changed into a prime (80863843) 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 5 ways as a sum of consecutive naturals, for example, 4492405 + ... + 4492422.

Almost surely, 2^80863443 is an apocalyptic number.

80863443 is a deficient number, since it is larger than the sum of its proper divisors (35939321).

80863443 is a wasteful number, since it uses less digits than its factorization.

80863443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8984833 (or 8984830 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 80863443 is about 8992.4102998028. The cubic root of 80863443 is about 432.4315870718.

The spelling of 80863443 in words is "eighty million, eight hundred sixty-three thousand, four hundred forty-three".