6378228736 has 88 divisors (see below), whose sum is σ = 13950779904. Its totient is φ = 2890567680.

The previous prime is 6378228733. The next prime is 6378228751.

6378228736 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (88).

It is not an unprimeable number, because it can be changed into a prime (6378228733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5214621 + ... + 5215843.

Almost surely, 2^6378228736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6378228736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6975389952).

6378228736 is an abundant number, since it is smaller than the sum of its proper divisors (7572551168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6378228736 is a wasteful number, since it uses less digits than its factorization.

6378228736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717 (or 1699 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 52.

The square root of 6378228736 is about 79863.8136830442. The cubic root of 6378228736 is about 1854.5278655445.

The spelling of 6378228736 in words is "six billion, three hundred seventy-eight million, two hundred twenty-eight thousand, seven hundred thirty-six".