7183780056 has 128 divisors (see below), whose sum is σ = 20386080000. Its totient is φ = 2343237120.

The previous prime is 7183779989. The next prime is 7183780067. The reversal of 7183780056 is 6500873817.

It is a junction number, because it is equal to n+sod(n) for n = 7183779993 and 7183780020.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 3070135 + ... + 3072473.

It is an arithmetic number, because the mean of its divisors is an integer number (159266250).

Almost surely, 2^7183780056 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 7183780056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10193040000).

7183780056 is an abundant number, since it is smaller than the sum of its proper divisors (13202299944).

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

7183780056 is a wasteful number, since it uses less digits than its factorization.

7183780056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2654 (or 2644 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 7183780056 is about 84757.1829168478. The cubic root of 7183780056 is about 1929.5276619809.

The spelling of 7183780056 in words is "seven billion, one hundred eighty-three million, seven hundred eighty thousand, fifty-six".