280714470517 has 18 divisors (see below), whose sum is σ = 316072654562. Its totient is φ = 247816123104.

The previous prime is 280714470511. The next prime is 280714470583. The reversal of 280714470517 is 715074417082.

It can be written as a sum of positive squares in 3 ways, for example, as 72948067921 + 207766402596 = 270089^2 + 455814^2 .

It is not a de Polignac number, because 280714470517 - 2³¹ = 278566986869 is a prime.

It is a super-2 number, since 2×280714470517² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (280714470511) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 43933959 + ... + 43940347.

Almost surely, 2^280714470517 is an apocalyptic number.

It is an amenable number.

280714470517 is a deficient number, since it is larger than the sum of its proper divisors (35358184045).

280714470517 is an frugal number, since it uses more digits than its factorization.

280714470517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12837 (or 6425 counting only the distinct ones).

The product of its (nonzero) digits is 439040, while the sum is 46.

Adding to 280714470517 its reverse (715074417082), we get a palindrome (995788887599).

The spelling of 280714470517 in words is "two hundred eighty billion, seven hundred fourteen million, four hundred seventy thousand, five hundred seventeen".