279089056 has 12 divisors (see below), whose sum is σ = 549456642. Its totient is φ = 139544512.

The previous prime is 279089053. The next prime is 279089059. The reversal of 279089056 is 650980972.

It is an interprime number because it is at equal distance from previous prime (279089053) and next prime (279089059).

It can be written as a sum of positive squares in only one way, i.e., 268304400 + 10784656 = 16380^2 + 3284^2 .

It is a super-2 number, since 2×279089056² = 155781402357942272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 279088997 and 279089015.

It is not an unprimeable number, because it can be changed into a prime (279089053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4360735 + ... + 4360798.

Almost surely, 2^279089056 is an apocalyptic number.

It is an amenable number.

279089056 is a deficient number, since it is larger than the sum of its proper divisors (270367586).

279089056 is an equidigital number, since it uses as much as digits as its factorization.

279089056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8721543 (or 8721535 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 279089056 is about 16705.9586974229. The cubic root of 279089056 is about 653.5030250134.

The spelling of 279089056 in words is "two hundred seventy-nine million, eighty-nine thousand, fifty-six".