8055780516 has 81 divisors (see below), whose sum is σ = 23698920609. Its totient is φ = 2300574528.

The previous prime is 8055780511. The next prime is 8055780529. The reversal of 8055780516 is 6150875508.

The square root of 8055780516 is 89754.

It is a perfect power (a square), and thus also a powerful number.

8055780516 is a `hidden beast` number, since 8 + 0 + 5 + 57 + 80 + 516 = 666.

It can be written as a sum of positive squares in only one way, i.e., 365192100 + 7690588416 = 19110^2 + 87696^2 .

It is not an unprimeable number, because it can be changed into a prime (8055780511) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3768600 + ... + 3770736.

Almost surely, 2^8055780516 is an apocalyptic number.

8055780516 is the 89754-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8055780516

8055780516 is an abundant number, since it is smaller than the sum of its proper divisors (15643140093).

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

8055780516 is a wasteful number, since it uses less digits than its factorization.

8055780516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4298 (or 2149 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 45.

The cubic root of 8055780516 is about 2004.6376142882.

The spelling of 8055780516 in words is "eight billion, fifty-five million, seven hundred eighty thousand, five hundred sixteen".