280070065 has 8 divisors (see below), whose sum is σ = 366637248. Its totient is φ = 203687280.

The previous prime is 280070047. The next prime is 280070083. The reversal of 280070065 is 560070082.

It is an interprime number because it is at equal distance from previous prime (280070047) and next prime (280070083).

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

It is not a de Polignac number, because 280070065 - 2⁵ = 280070033 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2546037 + ... + 2546146.

It is an arithmetic number, because the mean of its divisors is an integer number (45829656).

Almost surely, 2^280070065 is an apocalyptic number.

It is an amenable number.

280070065 is a deficient number, since it is larger than the sum of its proper divisors (86567183).

280070065 is a wasteful number, since it uses less digits than its factorization.

280070065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5092199.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 280070065 is about 16735.2939920397. The cubic root of 280070065 is about 654.2678258822.

The spelling of 280070065 in words is "two hundred eighty million, seventy thousand, sixty-five".