8780495880 has 128 divisors (see below), whose sum is σ = 29346105600. Its totient is φ = 2086812672.

The previous prime is 8780495861. The next prime is 8780495891. The reversal of 8780495880 is 885940878.

It is a self number, because there is not a number n which added to its sum of digits gives 8780495880.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51804 + ... + 142283.

It is an arithmetic number, because the mean of its divisors is an integer number (229266450).

Almost surely, 2^8780495880 is an apocalyptic number.

It is an amenable number.

8780495880 is an abundant number, since it is smaller than the sum of its proper divisors (20565609720).

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

8780495880 is a wasteful number, since it uses less digits than its factorization.

8780495880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194143 (or 194139 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 57.

The square root of 8780495880 is about 93704.3002214946. The cubic root of 8780495880 is about 2063.0338211988.

The spelling of 8780495880 in words is "eight billion, seven hundred eighty million, four hundred ninety-five thousand, eight hundred eighty".