255798858 has 16 divisors (see below), whose sum is σ = 584683200. Its totient is φ = 73085376.

The previous prime is 255798857. The next prime is 255798859. The reversal of 255798858 is 858897552.

It is an interprime number because it is at equal distance from previous prime (255798857) and next prime (255798859).

It is a junction number, because it is equal to n+sod(n) for n = 255798798 and 255798807.

It is not an unprimeable number, because it can be changed into a prime (255798857) 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 7 ways as a sum of consecutive naturals, for example, 3045183 + ... + 3045266.

It is an arithmetic number, because the mean of its divisors is an integer number (36542700).

Almost surely, 2^255798858 is an apocalyptic number.

255798858 is an abundant number, since it is smaller than the sum of its proper divisors (328884342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255798858 is a wasteful number, since it uses less digits than its factorization.

255798858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6090461.

The product of its digits is 8064000, while the sum is 57.

The square root of 255798858 is about 15993.7130773314. The cubic root of 255798858 is about 634.7940787649.

The spelling of 255798858 in words is "two hundred fifty-five million, seven hundred ninety-eight thousand, eight hundred fifty-eight".