280805860083 has 16 divisors (see below), whose sum is σ = 427902045440. Its totient is φ = 160457715936.

The previous prime is 280805860057. The next prime is 280805860117. The reversal of 280805860083 is 380068508082.

It is not a de Polignac number, because 280805860083 - 2¹⁷ = 280805729011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (280805860033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2335116 + ... + 2452422.

It is an arithmetic number, because the mean of its divisors is an integer number (26743877840).

Almost surely, 2^280805860083 is an apocalyptic number.

280805860083 is a deficient number, since it is larger than the sum of its proper divisors (147096185357).

280805860083 is a wasteful number, since it uses less digits than its factorization.

280805860083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231306.

The product of its (nonzero) digits is 737280, while the sum is 48.

The spelling of 280805860083 in words is "two hundred eighty billion, eight hundred five million, eight hundred sixty thousand, eighty-three".