868214255 has 4 divisors (see below), whose sum is σ = 1041857112. Its totient is φ = 694571400.

The previous prime is 868214219. The next prime is 868214257. The reversal of 868214255 is 552412868.

It is a happy number.

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

It is not a de Polignac number, because 868214255 - 2⁸ = 868213999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868214257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86821421 + ... + 86821430.

It is an arithmetic number, because the mean of its divisors is an integer number (260464278).

Almost surely, 2^868214255 is an apocalyptic number.

868214255 is a deficient number, since it is larger than the sum of its proper divisors (173642857).

868214255 is a wasteful number, since it uses less digits than its factorization.

868214255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173642856.

The product of its digits is 153600, while the sum is 41.

The square root of 868214255 is about 29465.4756452361. The cubic root of 868214255 is about 953.9866648834.

The spelling of 868214255 in words is "eight hundred sixty-eight million, two hundred fourteen thousand, two hundred fifty-five".