868786255 has 8 divisors (see below), whose sum is σ = 1045386432. Its totient is φ = 693133728.

The previous prime is 868786231. The next prime is 868786273. The reversal of 868786255 is 552687868.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 868786255 - 2²³ = 860397647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 868786196 and 868786205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234892 + ... + 238561.

It is an arithmetic number, because the mean of its divisors is an integer number (130673304).

Almost surely, 2^868786255 is an apocalyptic number.

868786255 is a deficient number, since it is larger than the sum of its proper divisors (176600177).

868786255 is a wasteful number, since it uses less digits than its factorization.

868786255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473825.

The product of its digits is 6451200, while the sum is 55.

The square root of 868786255 is about 29475.1803217555. The cubic root of 868786255 is about 954.1961218530.

The spelling of 868786255 in words is "eight hundred sixty-eight million, seven hundred eighty-six thousand, two hundred fifty-five".