277800280055 has 16 divisors (see below), whose sum is σ = 335010471264. Its totient is φ = 221140577280.

The previous prime is 277800280019. The next prime is 277800280063. The reversal of 277800280055 is 550082008772.

It is not a de Polignac number, because 277800280055 - 2¹² = 277800275959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 277800279988 and 277800280015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5538047 + ... + 5587983.

It is an arithmetic number, because the mean of its divisors is an integer number (20938154454).

Almost surely, 2^277800280055 is an apocalyptic number.

277800280055 is a deficient number, since it is larger than the sum of its proper divisors (57210191209).

277800280055 is a wasteful number, since it uses less digits than its factorization.

277800280055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55426.

The product of its (nonzero) digits is 313600, while the sum is 44.

The spelling of 277800280055 in words is "two hundred seventy-seven billion, eight hundred million, two hundred eighty thousand, fifty-five".