255775803 has 8 divisors (see below), whose sum is σ = 344163600. Its totient is φ = 168952608.

The previous prime is 255775799. The next prime is 255775811. The reversal of 255775803 is 308577552.

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

It is not a de Polignac number, because 255775803 - 2² = 255775799 is a prime.

It is a super-2 number, since 2×255775803² = 130842522800589618, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (255775813) 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, 390768 + ... + 391421.

It is an arithmetic number, because the mean of its divisors is an integer number (43020450).

Almost surely, 2^255775803 is an apocalyptic number.

255775803 is a deficient number, since it is larger than the sum of its proper divisors (88387797).

255775803 is a wasteful number, since it uses less digits than its factorization.

255775803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782301.

The product of its (nonzero) digits is 294000, while the sum is 42.

The square root of 255775803 is about 15992.9923091334. The cubic root of 255775803 is about 634.7750069868.

The spelling of 255775803 in words is "two hundred fifty-five million, seven hundred seventy-five thousand, eight hundred three".