280066117443 has 8 divisors (see below), whose sum is σ = 426767417088. Its totient is φ = 160037781384.

The previous prime is 280066117439. The next prime is 280066117459. The reversal of 280066117443 is 344711660082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 280066117443 - 2² = 280066117439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 280066117395 and 280066117404.

It is not an unprimeable number, because it can be changed into a prime (280066117423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6668240871 + ... + 6668240912.

It is an arithmetic number, because the mean of its divisors is an integer number (53345927136).

Almost surely, 2^280066117443 is an apocalyptic number.

280066117443 is a deficient number, since it is larger than the sum of its proper divisors (146701299645).

280066117443 is a wasteful number, since it uses less digits than its factorization.

280066117443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13336481793.

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 280066117443 in words is "two hundred eighty billion, sixty-six million, one hundred seventeen thousand, four hundred forty-three".