7945567056 has 120 divisors (see below), whose sum is σ = 25508545920. Its totient is φ = 2261645568.

The previous prime is 7945567043. The next prime is 7945567057. The reversal of 7945567056 is 6507655497.

7945567056 is a `hidden beast` number, since 79 + 4 + 5 + 567 + 0 + 5 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 7945566993 and 7945567011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7945567057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 256501 + ... + 285803.

It is an arithmetic number, because the mean of its divisors is an integer number (212571216).

Almost surely, 2^7945567056 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 7945567056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12754272960).

7945567056 is an abundant number, since it is smaller than the sum of its proper divisors (17562978864).

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

7945567056 is a wasteful number, since it uses less digits than its factorization.

7945567056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29593 (or 29584 counting only the distinct ones).

The product of its (nonzero) digits is 7938000, while the sum is 54.

The square root of 7945567056 is about 89137.9103187864. The cubic root of 7945567056 is about 1995.4535942619.

The spelling of 7945567056 in words is "seven billion, nine hundred forty-five million, five hundred sixty-seven thousand, fifty-six".