264327863 has 4 divisors (see below), whose sum is σ = 264689208. Its totient is φ = 263966520.

The previous prime is 264327853. The next prime is 264327893. The reversal of 264327863 is 368723462.

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 264327863 - 2²⁶ = 197218999 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 264327863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264327853) 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, 179573 + ... + 181038.

It is an arithmetic number, because the mean of its divisors is an integer number (66172302).

Almost surely, 2^264327863 is an apocalyptic number.

264327863 is a deficient number, since it is larger than the sum of its proper divisors (361345).

264327863 is an equidigital number, since it uses as much as digits as its factorization.

264327863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361344.

The product of its digits is 290304, while the sum is 41.

The square root of 264327863 is about 16258.1629651077. The cubic root of 264327863 is about 641.7723197329.

The spelling of 264327863 in words is "two hundred sixty-four million, three hundred twenty-seven thousand, eight hundred sixty-three".