280827775775 has 12 divisors (see below), whose sum is σ = 348330587112. Its totient is φ = 224595030240.

The previous prime is 280827775757. The next prime is 280827775799. The reversal of 280827775775 is 577577728082.

It is not a de Polignac number, because 280827775775 - 2¹⁶ = 280827710239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1594412 + ... + 1761761.

It is an arithmetic number, because the mean of its divisors is an integer number (29027548926).

Almost surely, 2^280827775775 is an apocalyptic number.

280827775775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

280827775775 is a deficient number, since it is larger than the sum of its proper divisors (67502811337).

280827775775 is a wasteful number, since it uses less digits than its factorization.

280827775775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3359530 (or 3359525 counting only the distinct ones).

The product of its (nonzero) digits is 107564800, while the sum is 65.

The spelling of 280827775775 in words is "two hundred eighty billion, eight hundred twenty-seven million, seven hundred seventy-five thousand, seven hundred seventy-five".