255798805 has 8 divisors (see below), whose sum is σ = 323114400. Its totient is φ = 193868496.

The previous prime is 255798799. The next prime is 255798811. The reversal of 255798805 is 508897552.

It is an interprime number because it is at equal distance from previous prime (255798799) and next prime (255798811).

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 255798805 - 2⁵ = 255798773 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 1346215 + ... + 1346404.

It is an arithmetic number, because the mean of its divisors is an integer number (40389300).

Almost surely, 2^255798805 is an apocalyptic number.

It is an amenable number.

255798805 is a deficient number, since it is larger than the sum of its proper divisors (67315595).

255798805 is a wasteful number, since it uses less digits than its factorization.

255798805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2692643.

The product of its (nonzero) digits is 1008000, while the sum is 49.

The square root of 255798805 is about 15993.7114204302. The cubic root of 255798805 is about 634.7940349231.

The spelling of 255798805 in words is "two hundred fifty-five million, seven hundred ninety-eight thousand, eight hundred five".