8480345780 has 48 divisors (see below), whose sum is σ = 17905769280. Its totient is φ = 3373708800.

The previous prime is 8480345779. The next prime is 8480345831. The reversal of 8480345780 is 875430848.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3249116 + ... + 3251724.

It is an arithmetic number, because the mean of its divisors is an integer number (373036860).

Almost surely, 2^8480345780 is an apocalyptic number.

It is an amenable number.

8480345780 is an abundant number, since it is smaller than the sum of its proper divisors (9425423500).

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

8480345780 is a wasteful number, since it uses less digits than its factorization.

8480345780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3440 (or 3438 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 47.

The square root of 8480345780 is about 92088.7929120585. The cubic root of 8480345780 is about 2039.2533615842.

The spelling of 8480345780 in words is "eight billion, four hundred eighty million, three hundred forty-five thousand, seven hundred eighty".