7863637056 has 168 divisors, whose sum is σ = 23260933920. Its totient is φ = 2342123520.

The previous prime is 7863637051. The next prime is 7863637057. The reversal of 7863637056 is 6507363687.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (7863637051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1367820 + ... + 1373556.

It is an arithmetic number, because the mean of its divisors is an integer number (138457940).

Almost surely, 2^7863637056 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 7863637056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11630466960).

7863637056 is an abundant number, since it is smaller than the sum of its proper divisors (15397296864).

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

7863637056 is a wasteful number, since it uses less digits than its factorization.

7863637056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5833 (or 5812 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 51.

The square root of 7863637056 is about 88677.1506984747. The cubic root of 7863637056 is about 1988.5712374252.

The spelling of 7863637056 in words is "seven billion, eight hundred sixty-three million, six hundred thirty-seven thousand, fifty-six".