8780530066386 has 64 divisors (see below), whose sum is σ = 19316435956608. Its totient is φ = 2644425957888.

The previous prime is 8780530066381. The next prime is 8780530066393. The reversal of 8780530066386 is 6836600350878.

It is a happy number.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (8780530066381) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4530355 + ... + 6171318.

It is an arithmetic number, because the mean of its divisors is an integer number (301819311822).

Almost surely, 2^{8780530066386} is an apocalyptic number.

8780530066386 is an abundant number, since it is smaller than the sum of its proper divisors (10535905890222).

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

8780530066386 is a wasteful number, since it uses less digits than its factorization.

8780530066386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10701915.

The product of its (nonzero) digits is 34836480, while the sum is 60.

The spelling of 8780530066386 in words is "eight trillion, seven hundred eighty billion, five hundred thirty million, sixty-six thousand, three hundred eighty-six".