80876843 has 4 divisors (see below), whose sum is σ = 81296088. Its totient is φ = 80457600.

The previous prime is 80876833. The next prime is 80876869. The reversal of 80876843 is 34867808.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80876843 - 2⁴ = 80876827 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80876794 and 80876803.

It is not an unprimeable number, because it can be changed into a prime (80876813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209333 + ... + 209718.

It is an arithmetic number, because the mean of its divisors is an integer number (20324022).

Almost surely, 2^80876843 is an apocalyptic number.

80876843 is a deficient number, since it is larger than the sum of its proper divisors (419245).

80876843 is a wasteful number, since it uses less digits than its factorization.

80876843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419244.

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 80876843 is about 8993.1553417029. The cubic root of 80876843 is about 432.4554720438.

The spelling of 80876843 in words is "eighty million, eight hundred seventy-six thousand, eight hundred forty-three".