7876785869568 has 432 divisors, whose sum is σ = 29559272641920. Its totient is φ = 2045917440000.

The previous prime is 7876785869473. The next prime is 7876785869569. The reversal of 7876785869568 is 8659685876787.

It is a tau number, because it is divible by the number of its divisors (432).

It is a super-2 number, since 2×7876785869568² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7876785869569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2668443 + ... + 4782693.

Almost surely, 2^{7876785869568} 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 7876785869568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14779636320960).

7876785869568 is an abundant number, since it is smaller than the sum of its proper divisors (21682486772352).

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

7876785869568 is a wasteful number, since it uses less digits than its factorization.

7876785869568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2114301 (or 2114274 counting only the distinct ones).

The product of its digits is 68279500800, while the sum is 90.

The spelling of 7876785869568 in words is "seven trillion, eight hundred seventy-six billion, seven hundred eighty-five million, eight hundred sixty-nine thousand, five hundred sixty-eight".