255897727 has 8 divisors (see below), whose sum is σ = 261754416. Its totient is φ = 250079232.

The previous prime is 255897721. The next prime is 255897731. The reversal of 255897727 is 727798552.

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 255897727 - 2⁷ = 255897599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255897721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4228 + ... + 23014.

It is an arithmetic number, because the mean of its divisors is an integer number (32719302).

Almost surely, 2^255897727 is an apocalyptic number.

255897727 is a deficient number, since it is larger than the sum of its proper divisors (5856689).

255897727 is a wasteful number, since it uses less digits than its factorization.

255897727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19097.

The product of its digits is 2469600, while the sum is 52.

The square root of 255897727 is about 15996.8036494795. The cubic root of 255897727 is about 634.8758531351.

The spelling of 255897727 in words is "two hundred fifty-five million, eight hundred ninety-seven thousand, seven hundred twenty-seven".