255728895 has 8 divisors (see below), whose sum is σ = 409166256. Its totient is φ = 136388736.

The previous prime is 255728861. The next prime is 255728911. The reversal of 255728895 is 598827552.

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

It is not a de Polignac number, because 255728895 - 2⁸ = 255728639 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8524282 + ... + 8524311.

It is an arithmetic number, because the mean of its divisors is an integer number (51145782).

Almost surely, 2^255728895 is an apocalyptic number.

255728895 is a deficient number, since it is larger than the sum of its proper divisors (153437361).

255728895 is a wasteful number, since it uses less digits than its factorization.

255728895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17048601.

The product of its digits is 2016000, while the sum is 51.

The square root of 255728895 is about 15991.5257245830. The cubic root of 255728895 is about 634.7361997630.

The spelling of 255728895 in words is "two hundred fifty-five million, seven hundred twenty-eight thousand, eight hundred ninety-five".