8779806056 has 16 divisors (see below), whose sum is σ = 18813870240. Its totient is φ = 3762774000.

The previous prime is 8779806053. The next prime is 8779806089. The reversal of 8779806056 is 6506089778.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (56), and also a Moran number because the ratio is a prime number: 156782251 = 8779806056 / (8 + 7 + 7 + 9 + 8 + 0 + 6 + 0 + 5 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 8779805992 and 8779806010.

It is not an unprimeable number, because it can be changed into a prime (8779806053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78391070 + ... + 78391181.

It is an arithmetic number, because the mean of its divisors is an integer number (1175866890).

Almost surely, 2^8779806056 is an apocalyptic number.

It is an amenable number.

8779806056 is an abundant number, since it is smaller than the sum of its proper divisors (10034064184).

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

8779806056 is a wasteful number, since it uses less digits than its factorization.

8779806056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156782264 (or 156782260 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 56.

The square root of 8779806056 is about 93700.6192935778. The cubic root of 8779806056 is about 2062.9797935929.

The spelling of 8779806056 in words is "eight billion, seven hundred seventy-nine million, eight hundred six thousand, fifty-six".