278080480322 has 6 divisors (see below), whose sum is σ = 417121839129. Its totient is φ = 139039867280.

The previous prime is 278080480319. The next prime is 278080480333. The reversal of 278080480322 is 223084080872.

It can be written as a sum of positive squares in 2 ways, for example, as 271940347441 + 6140132881 = 521479^2 + 78359^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=372881.

It is a super-2 number, since 2×278080480322² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 2 ways as a sum of consecutive naturals, for example, 559322 + ... + 932202.

Almost surely, 2^278080480322 is an apocalyptic number.

278080480322 is a deficient number, since it is larger than the sum of its proper divisors (139041358807).

278080480322 is an frugal number, since it uses more digits than its factorization.

278080480322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745764 (or 372883 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 44.

The spelling of 278080480322 in words is "two hundred seventy-eight billion, eighty million, four hundred eighty thousand, three hundred twenty-two".