7788701068813 has 16 divisors (see below), whose sum is σ = 9096943276800. Its totient is φ = 6665805667248.

The previous prime is 7788701068801. The next prime is 7788701068843. The reversal of 7788701068813 is 3188601078877.

It is a de Polignac number, because none of the positive numbers 2^k-7788701068813 is a prime.

It is a super-2 number, since 2×7788701068813² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7788701068843) 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, 17163145 + ... + 17611102.

It is an arithmetic number, because the mean of its divisors is an integer number (568558954800).

Almost surely, 2^{7788701068813} is an apocalyptic number.

It is an amenable number.

7788701068813 is a deficient number, since it is larger than the sum of its proper divisors (1308242207987).

7788701068813 is an equidigital number, since it uses as much as digits as its factorization.

7788701068813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34774921 (or 34774907 counting only the distinct ones).

The product of its (nonzero) digits is 25288704, while the sum is 64.

The spelling of 7788701068813 in words is "seven trillion, seven hundred eighty-eight billion, seven hundred one million, sixty-eight thousand, eight hundred thirteen".