280080333 has 12 divisors (see below), whose sum is σ = 435680700. Its totient is φ = 172357056.

The previous prime is 280080271. The next prime is 280080377. The reversal of 280080333 is 333080082.

It can be written as a sum of positive squares in 2 ways, for example, as 30503529 + 249576804 = 5523^2 + 15798^2 .

It is not a de Polignac number, because 280080333 - 2²⁰ = 279031757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 280080297 and 280080306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (280080233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1196808 + ... + 1197041.

It is an arithmetic number, because the mean of its divisors is an integer number (36306725).

Almost surely, 2^280080333 is an apocalyptic number.

It is an amenable number.

280080333 is a deficient number, since it is larger than the sum of its proper divisors (155600367).

280080333 is a wasteful number, since it uses less digits than its factorization.

280080333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2393868 (or 2393865 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 280080333 is about 16735.6007660317. The cubic root of 280080333 is about 654.2758214290.

The spelling of 280080333 in words is "two hundred eighty million, eighty thousand, three hundred thirty-three".