280470255 has 32 divisors (see below), whose sum is σ = 485424576. Its totient is φ = 137462784.

The previous prime is 280470187. The next prime is 280470259. The reversal of 280470255 is 552074082.

It is not a de Polignac number, because 280470255 - 2⁹ = 280469743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (280470259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42349 + ... + 48521.

It is an arithmetic number, because the mean of its divisors is an integer number (15169518).

Almost surely, 2^280470255 is an apocalyptic number.

280470255 is a deficient number, since it is larger than the sum of its proper divisors (204954321).

280470255 is a wasteful number, since it uses less digits than its factorization.

280470255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6427.

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 280470255 is about 16747.2461915385. The cubic root of 280470255 is about 654.5793036911.

The spelling of 280470255 in words is "two hundred eighty million, four hundred seventy thousand, two hundred fifty-five".