255484787 has 4 divisors (see below), whose sum is σ = 257199600. Its totient is φ = 253769976.

The previous prime is 255484781. The next prime is 255484793. The reversal of 255484787 is 787484552.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (255484781) and next prime (255484793).

It is a cyclic number.

It is not a de Polignac number, because 255484787 - 2⁴ = 255484771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255484781) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 857183 + ... + 857480.

It is an arithmetic number, because the mean of its divisors is an integer number (64299900).

Almost surely, 2^255484787 is an apocalyptic number.

255484787 is a deficient number, since it is larger than the sum of its proper divisors (1714813).

255484787 is a wasteful number, since it uses less digits than its factorization.

255484787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714812.

The product of its digits is 2508800, while the sum is 50.

The square root of 255484787 is about 15983.8914848669. The cubic root of 255484787 is about 634.5341713461.

The spelling of 255484787 in words is "two hundred fifty-five million, four hundred eighty-four thousand, seven hundred eighty-seven".