8780787991052 has 24 divisors (see below), whose sum is σ = 19158082890240. Its totient is φ = 3421086230160.

The previous prime is 8780787991051. The next prime is 8780787991057. The reversal of 8780787991052 is 2501997870878.

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 7 ways as a sum of consecutive naturals, for example, 14254525652 + ... + 14254526267.

It is an arithmetic number, because the mean of its divisors is an integer number (798253453760).

Almost surely, 2^{8780787991052} is an apocalyptic number.

It is an amenable number.

8780787991052 is an abundant number, since it is smaller than the sum of its proper divisors (10377294899188).

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

8780787991052 is a wasteful number, since it uses less digits than its factorization.

8780787991052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28509051941 (or 28509051939 counting only the distinct ones).

The product of its (nonzero) digits is 142248960, while the sum is 71.

The spelling of 8780787991052 in words is "eight trillion, seven hundred eighty billion, seven hundred eighty-seven million, nine hundred ninety-one thousand, fifty-two".