6916777579808 has 24 divisors (see below), whose sum is σ = 13665523920048. Its totient is φ = 3446168330304.

The previous prime is 6916777579781. The next prime is 6916777579841. The reversal of 6916777579808 is 8089757776196.

It is a super-2 number, since 2×6916777579808² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381880166 + ... + 381898277.

It is an arithmetic number, because the mean of its divisors is an integer number (569396830002).

Almost surely, 2^{6916777579808} is an apocalyptic number.

It is an amenable number.

6916777579808 is a deficient number, since it is larger than the sum of its proper divisors (6748746340240).

6916777579808 is a wasteful number, since it uses less digits than its factorization.

6916777579808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763778736 (or 763778728 counting only the distinct ones).

The product of its (nonzero) digits is 2240421120, while the sum is 80.

The spelling of 6916777579808 in words is "six trillion, nine hundred sixteen billion, seven hundred seventy-seven million, five hundred seventy-nine thousand, eight hundred eight".