255555580347 has 12 divisors (see below), whose sum is σ = 385185222864. Its totient is φ = 162962978640.

The previous prime is 255555580337. The next prime is 255555580351. The reversal of 255555580347 is 743085555552.

255555580347 is a `hidden beast` number, since 2 + 5 + 5 + 5 + 55 + 580 + 3 + 4 + 7 = 666.

255555580347 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-255555580347 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 255555580293 and 255555580302.

It is not an unprimeable number, because it can be changed into a prime (255555580337) by changing a digit.

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, 617283804 + ... + 617284217.

It is an arithmetic number, because the mean of its divisors is an integer number (32098768572).

Almost surely, 2^255555580347 is an apocalyptic number.

255555580347 is a deficient number, since it is larger than the sum of its proper divisors (129629642517).

255555580347 is a wasteful number, since it uses less digits than its factorization.

255555580347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234568050 (or 1234568047 counting only the distinct ones).

The product of its (nonzero) digits is 21000000, while the sum is 54.

The spelling of 255555580347 in words is "two hundred fifty-five billion, five hundred fifty-five million, five hundred eighty thousand, three hundred forty-seven".