8627780016 has 80 divisors (see below), whose sum is σ = 24929118720. Its totient is φ = 2856859200.

The previous prime is 8627780011. The next prime is 8627780023. The reversal of 8627780016 is 6100877268.

8627780016 is a `hidden beast` number, since 8 + 627 + 7 + 8 + 0 + 0 + 16 = 666.

It is not an unprimeable number, because it can be changed into a prime (8627780011) 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, 900 + ... + 131363.

It is an arithmetic number, because the mean of its divisors is an integer number (311613984).

Almost surely, 2^8627780016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8627780016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12464559360).

8627780016 is an abundant number, since it is smaller than the sum of its proper divisors (16301338704).

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

8627780016 is a wasteful number, since it uses less digits than its factorization.

8627780016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132431 (or 132419 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 8627780016 is about 92885.8440021944. The cubic root of 8627780016 is about 2051.0032777797.

The spelling of 8627780016 in words is "eight billion, six hundred twenty-seven million, seven hundred eighty thousand, sixteen".