83280803 has 4 divisors (see below), whose sum is σ = 83334048. Its totient is φ = 83227560.

The previous prime is 83280763. The next prime is 83280817. The reversal of 83280803 is 30808238.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83280803 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83280803.

It is not an unprimeable number, because it can be changed into a prime (83280853) 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, 24203 + ... + 27428.

It is an arithmetic number, because the mean of its divisors is an integer number (20833512).

Almost surely, 2^83280803 is an apocalyptic number.

83280803 is a deficient number, since it is larger than the sum of its proper divisors (53245).

83280803 is a wasteful number, since it uses less digits than its factorization.

83280803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53244.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 83280803 is about 9125.8316333362. The cubic root of 83280803 is about 436.6984341307.

The spelling of 83280803 in words is "eighty-three million, two hundred eighty thousand, eight hundred three".