8780787991050 has 192 divisors, whose sum is σ = 23159983916160. Its totient is φ = 2201626229760.

The previous prime is 8780787991009. The next prime is 8780787991051. The reversal of 8780787991050 is 501997870878.

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (8780787991051) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 823167817 + ... + 823178483.

It is an arithmetic number, because the mean of its divisors is an integer number (120624916230).

Almost surely, 2^{8780787991050} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8780787991050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11579991958080).

8780787991050 is an abundant number, since it is smaller than the sum of its proper divisors (14379195925110).

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

8780787991050 is a wasteful number, since it uses less digits than its factorization.

8780787991050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11850 (or 11811 counting only the distinct ones).

The product of its (nonzero) digits is 71124480, while the sum is 69.

The spelling of 8780787991050 in words is "eight trillion, seven hundred eighty billion, seven hundred eighty-seven million, nine hundred ninety-one thousand, fifty".