863227867 has 4 divisors (see below), whose sum is σ = 863335800. Its totient is φ = 863119936.

The previous prime is 863227837. The next prime is 863227873. The reversal of 863227867 is 768722368.

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 863227867 - 2¹¹ = 863225819 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 863227867.

It is not an unprimeable number, because it can be changed into a prime (863227837) 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, 40918 + ... + 58315.

It is an arithmetic number, because the mean of its divisors is an integer number (215833950).

Almost surely, 2^863227867 is an apocalyptic number.

863227867 is a deficient number, since it is larger than the sum of its proper divisors (107933).

863227867 is an equidigital number, since it uses as much as digits as its factorization.

863227867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107932.

The product of its digits is 1354752, while the sum is 49.

The square root of 863227867 is about 29380.7397286045. The cubic root of 863227867 is about 952.1568233017.

The spelling of 863227867 in words is "eight hundred sixty-three million, two hundred twenty-seven thousand, eight hundred sixty-seven".