3778518563 has 8 divisors (see below), whose sum is σ = 3791714160. Its totient is φ = 3765342240.

The previous prime is 3778518511. The next prime is 3778518613. The reversal of 3778518563 is 3658158773.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3778518563 - 2¹⁰ = 3778517539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3778514563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464828 + ... + 472886.

It is an arithmetic number, because the mean of its divisors is an integer number (473964270).

Almost surely, 2^3778518563 is an apocalyptic number.

3778518563 is a deficient number, since it is larger than the sum of its proper divisors (13195597).

3778518563 is a wasteful number, since it uses less digits than its factorization.

3778518563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9637.

The product of its digits is 4233600, while the sum is 53.

The square root of 3778518563 is about 61469.6556277974. The cubic root of 3778518563 is about 1557.5447025654.

The spelling of 3778518563 in words is "three billion, seven hundred seventy-eight million, five hundred eighteen thousand, five hundred sixty-three".