2555475678 has 48 divisors (see below), whose sum is σ = 6353133696. Its totient is φ = 727218000.

The previous prime is 2555475653. The next prime is 2555475691. The reversal of 2555475678 is 8765745552.

2555475678 is a `hidden beast` number, since 25 + 5 + 54 + 7 + 567 + 8 = 666.

It is a congruent 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 23 ways as a sum of consecutive naturals, for example, 8776 + ... + 72027.

It is an arithmetic number, because the mean of its divisors is an integer number (132356952).

Almost surely, 2^2555475678 is an apocalyptic number.

2555475678 is an abundant number, since it is smaller than the sum of its proper divisors (3797658018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2555475678 is a wasteful number, since it uses less digits than its factorization.

2555475678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81069 (or 81066 counting only the distinct ones).

The product of its digits is 11760000, while the sum is 54.

The square root of 2555475678 is about 50551.7129086641. The cubic root of 2555475678 is about 1367.1743986048.

The spelling of 2555475678 in words is "two billion, five hundred fifty-five million, four hundred seventy-five thousand, six hundred seventy-eight".