277552780055 has 16 divisors (see below), whose sum is σ = 336382984704. Its totient is φ = 219830228640.

The previous prime is 277552780003. The next prime is 277552780061. The reversal of 277552780055 is 550087255772.

It is a happy number.

It is not a de Polignac number, because 277552780055 - 2¹⁴ = 277552763671 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 277552779979 and 277552780006.

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, 2006990 + ... + 2140820.

It is an arithmetic number, because the mean of its divisors is an integer number (21023936544).

Almost surely, 2^277552780055 is an apocalyptic number.

277552780055 is a deficient number, since it is larger than the sum of its proper divisors (58830204649).

277552780055 is a wasteful number, since it uses less digits than its factorization.

277552780055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137966.

The product of its (nonzero) digits is 6860000, while the sum is 53.

It can be divided in two parts, 2775527 and 80055, that added together give a palindrome (2855582).

The spelling of 277552780055 in words is "two hundred seventy-seven billion, five hundred fifty-two million, seven hundred eighty thousand, fifty-five".