280800783053 has 4 divisors (see below), whose sum is σ = 320915180640. Its totient is φ = 240686385468.

The previous prime is 280800783049. The next prime is 280800783059. The reversal of 280800783053 is 350387008082.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 280800783053 - 2² = 280800783049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 280800782995 and 280800783013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (280800783059) 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, 20057198783 + ... + 20057198796.

It is an arithmetic number, because the mean of its divisors is an integer number (80228795160).

Almost surely, 2^280800783053 is an apocalyptic number.

It is an amenable number.

280800783053 is a deficient number, since it is larger than the sum of its proper divisors (40114397587).

280800783053 is an equidigital number, since it uses as much as digits as its factorization.

280800783053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40114397586.

The product of its (nonzero) digits is 322560, while the sum is 44.

The spelling of 280800783053 in words is "two hundred eighty billion, eight hundred million, seven hundred eighty-three thousand, fifty-three".