6777744872228 has 24 divisors (see below), whose sum is σ = 13289042774784. Its totient is φ = 2997528444000.

The previous prime is 6777744872207. The next prime is 6777744872243. The reversal of 6777744872228 is 8222784477776.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2081615348 + ... + 2081618603.

It is an arithmetic number, because the mean of its divisors is an integer number (553710115616).

Almost surely, 2^{6777744872228} is an apocalyptic number.

It is an amenable number.

6777744872228 is a deficient number, since it is larger than the sum of its proper divisors (6511297902556).

6777744872228 is a wasteful number, since it uses less digits than its factorization.

6777744872228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4163234003 (or 4163234001 counting only the distinct ones).

The product of its digits is 826097664, while the sum is 71.

The spelling of 6777744872228 in words is "six trillion, seven hundred seventy-seven billion, seven hundred forty-four million, eight hundred seventy-two thousand, two hundred twenty-eight".