255327947609 has 12 divisors (see below), whose sum is σ = 297160787664. Its totient is φ = 218744472744.

The previous prime is 255327947591. The next prime is 255327947669. The reversal of 255327947609 is 906749723552.

It is a happy number.

It is not a de Polignac number, because 255327947609 - 2¹² = 255327943513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255327947669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1186019 + ... + 1384664.

It is an arithmetic number, because the mean of its divisors is an integer number (24763398972).

Almost surely, 2^255327947609 is an apocalyptic number.

It is an amenable number.

255327947609 is a deficient number, since it is larger than the sum of its proper divisors (41832840055).

255327947609 is a wasteful number, since it uses less digits than its factorization.

255327947609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2572724 (or 2572717 counting only the distinct ones).

The product of its (nonzero) digits is 28576800, while the sum is 59.

The spelling of 255327947609 in words is "two hundred fifty-five billion, three hundred twenty-seven million, nine hundred forty-seven thousand, six hundred nine".