255129886 has 16 divisors (see below), whose sum is σ = 417901680. Its totient is φ = 115852480.

The previous prime is 255129883. The next prime is 255129923. The reversal of 255129886 is 688921552.

255129886 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255129883) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 19170 + ... + 29626.

It is an arithmetic number, because the mean of its divisors is an integer number (26118855).

Almost surely, 2^255129886 is an apocalyptic number.

255129886 is a deficient number, since it is larger than the sum of its proper divisors (162771794).

255129886 is a wasteful number, since it uses less digits than its factorization.

255129886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11579.

The product of its digits is 345600, while the sum is 46.

The square root of 255129886 is about 15972.7857933424. The cubic root of 255129886 is about 634.2402188557.

The spelling of 255129886 in words is "two hundred fifty-five million, one hundred twenty-nine thousand, eight hundred eighty-six".