863427255 has 16 divisors (see below), whose sum is σ = 1382584704. Its totient is φ = 460127520.

The previous prime is 863427247. The next prime is 863427269. The reversal of 863427255 is 552724368.

It is not a de Polignac number, because 863427255 - 2³ = 863427247 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2929 + ... + 41658.

It is an arithmetic number, because the mean of its divisors is an integer number (86411544).

Almost surely, 2^863427255 is an apocalyptic number.

863427255 is a deficient number, since it is larger than the sum of its proper divisors (519157449).

863427255 is a wasteful number, since it uses less digits than its factorization.

863427255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45886.

The product of its digits is 403200, while the sum is 42.

The square root of 863427255 is about 29384.1327079769. The cubic root of 863427255 is about 952.2301272488.

The spelling of 863427255 in words is "eight hundred sixty-three million, four hundred twenty-seven thousand, two hundred fifty-five".