8780220878 has 32 divisors (see below), whose sum is σ = 15489073152. Its totient is φ = 3680143200.

The previous prime is 8780220847. The next prime is 8780220899.

It is a happy number.

8780220878 is nontrivially palindromic in base 10.

8780220878 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 265523 + ... + 296753.

It is an arithmetic number, because the mean of its divisors is an integer number (484033536).

Almost surely, 2^8780220878 is an apocalyptic number.

8780220878 is a deficient number, since it is larger than the sum of its proper divisors (6708852274).

8780220878 is a wasteful number, since it uses less digits than its factorization.

8780220878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32240.

The product of its (nonzero) digits is 802816, while the sum is 50.

The square root of 8780220878 is about 93702.8328173700. The cubic root of 8780220878 is about 2063.0122831460.

The spelling of 8780220878 in words is "eight billion, seven hundred eighty million, two hundred twenty thousand, eight hundred seventy-eight".