8005520770 has 32 divisors (see below), whose sum is σ = 15523523568. Its totient is φ = 2954907648.

The previous prime is 8005520749. The next prime is 8005520771. The reversal of 8005520770 is 770255008.

It can be written as a sum of positive squares in 8 ways, for example, as 2854444329 + 5151076441 = 53427^2 + 71771^2 .

It is not an unprimeable number, because it can be changed into a prime (8005520771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 472282 + ... + 488938.

Almost surely, 2^8005520770 is an apocalyptic number.

8005520770 is a deficient number, since it is larger than the sum of its proper divisors (7518002798).

8005520770 is a wasteful number, since it uses less digits than its factorization.

8005520770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20374.

The product of its (nonzero) digits is 19600, while the sum is 34.

The square root of 8005520770 is about 89473.5758199034. The cubic root of 8005520770 is about 2000.4599583777.

Adding to 8005520770 its reverse (770255008), we get a palindrome (8775775778).

The spelling of 8005520770 in words is "eight billion, five million, five hundred twenty thousand, seven hundred seventy".