255602887 has 4 divisors (see below), whose sum is σ = 266716080. Its totient is φ = 244489696.

The previous prime is 255602861. The next prime is 255602909. The reversal of 255602887 is 788206552.

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

It is a cyclic number.

It is not a de Polignac number, because 255602887 - 2¹⁹ = 255078599 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255600887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5556562 + ... + 5556607.

It is an arithmetic number, because the mean of its divisors is an integer number (66679020).

Almost surely, 2^255602887 is an apocalyptic number.

255602887 is a deficient number, since it is larger than the sum of its proper divisors (11113193).

255602887 is a wasteful number, since it uses less digits than its factorization.

255602887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11113192.

The product of its (nonzero) digits is 268800, while the sum is 43.

The square root of 255602887 is about 15987.5854024302. The cubic root of 255602887 is about 634.6319292106.

The spelling of 255602887 in words is "two hundred fifty-five million, six hundred two thousand, eight hundred eighty-seven".