255548547947 has 16 divisors (see below), whose sum is σ = 320223290112. Its totient is φ = 198117921120.

The previous prime is 255548547937. The next prime is 255548547953. The reversal of 255548547947 is 749745845552.

It is not a de Polignac number, because 255548547947 - 2⁶ = 255548547883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255548547937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8408213 + ... + 8438550.

It is an arithmetic number, because the mean of its divisors is an integer number (20013955632).

Almost surely, 2^255548547947 is an apocalyptic number.

255548547947 is a deficient number, since it is larger than the sum of its proper divisors (64674742165).

255548547947 is a wasteful number, since it uses less digits than its factorization.

255548547947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16846978.

The product of its digits is 282240000, while the sum is 65.

The spelling of 255548547947 in words is "two hundred fifty-five billion, five hundred forty-eight million, five hundred forty-seven thousand, nine hundred forty-seven".