255938332771 has 8 divisors (see below), whose sum is σ = 279212879664. Its totient is φ = 232665023520.

The previous prime is 255938332763. The next prime is 255938332787. The reversal of 255938332771 is 177233839552.

It is a happy number.

255938332771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255938332771 - 2³ = 255938332763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255938332711) 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 7 ways as a sum of consecutive naturals, for example, 153045 + ... + 731641.

It is an arithmetic number, because the mean of its divisors is an integer number (34901609958).

Almost surely, 2^255938332771 is an apocalyptic number.

255938332771 is a deficient number, since it is larger than the sum of its proper divisors (23274546893).

255938332771 is a wasteful number, since it uses less digits than its factorization.

255938332771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618821.

The product of its digits is 9525600, while the sum is 55.

The spelling of 255938332771 in words is "two hundred fifty-five billion, nine hundred thirty-eight million, three hundred thirty-two thousand, seven hundred seventy-one".