255788797 has 6 divisors (see below), whose sum is σ = 281156414. Its totient is φ = 232535160.

The previous prime is 255788761. The next prime is 255788801. The reversal of 255788797 is 797887552.

It can be written as a sum of positive squares in only one way, i.e., 206381956 + 49406841 = 14366^2 + 7029^2 .

It is not a de Polignac number, because 255788797 - 2⁷ = 255788669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255788717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1056858 + ... + 1057099.

Almost surely, 2^255788797 is an apocalyptic number.

It is an amenable number.

255788797 is a deficient number, since it is larger than the sum of its proper divisors (25367617).

255788797 is a wasteful number, since it uses less digits than its factorization.

255788797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2113979 (or 2113968 counting only the distinct ones).

The product of its digits is 9878400, while the sum is 58.

The square root of 255788797 is about 15993.3985443995. The cubic root of 255788797 is about 634.7857561490.

The spelling of 255788797 in words is "two hundred fifty-five million, seven hundred eighty-eight thousand, seven hundred ninety-seven".