8545780650 has 96 divisors (see below), whose sum is σ = 23166927936. Its totient is φ = 2067520000.

The previous prime is 8545780627. The next prime is 8545780667. The reversal of 8545780650 is 560875458.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8545780650.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 854680 + ... + 864620.

It is an arithmetic number, because the mean of its divisors is an integer number (241322166).

Almost surely, 2^8545780650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8545780650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11583463968).

8545780650 is an abundant number, since it is smaller than the sum of its proper divisors (14621147286).

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

8545780650 is a wasteful number, since it uses less digits than its factorization.

8545780650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10488 (or 10483 counting only the distinct ones).

The product of its (nonzero) digits is 1344000, while the sum is 48.

The square root of 8545780650 is about 92443.3915972364. The cubic root of 8545780650 is about 2044.4849303500.

The spelling of 8545780650 in words is "eight billion, five hundred forty-five million, seven hundred eighty thousand, six hundred fifty".