63847801347223 has 4 divisors (see below), whose sum is σ = 63847860947920. Its totient is φ = 63847741746528.

The previous prime is 63847801347217. The next prime is 63847801347257. The reversal of 63847801347223 is 32274310874836.

63847801347223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 63847801347223 - 2⁹ = 63847801346711 is a prime.

It is a super-2 number, since 2×63847801347223² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63847801347523) 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, 28163490 + ... + 30345967.

It is an arithmetic number, because the mean of its divisors is an integer number (15961965236980).

Almost surely, 2^{63847801347223} is an apocalyptic number.

63847801347223 is a deficient number, since it is larger than the sum of its proper divisors (59600697).

63847801347223 is a wasteful number, since it uses less digits than its factorization.

63847801347223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59600696.

The product of its (nonzero) digits is 32514048, while the sum is 58.

The spelling of 63847801347223 in words is "sixty-three trillion, eight hundred forty-seven billion, eight hundred one million, three hundred forty-seven thousand, two hundred twenty-three".