6777947737266 has 32 divisors (see below), whose sum is σ = 13560668784000. Its totient is φ = 2258520524160.

The previous prime is 6777947737259. The next prime is 6777947737331. The reversal of 6777947737266 is 6627377497776.

It is a junction number, because it is equal to n+sod(n) for n = 6777947737191 and 6777947737200.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241116820 + ... + 241144928.

It is an arithmetic number, because the mean of its divisors is an integer number (423770899500).

Almost surely, 2^{6777947737266} is an apocalyptic number.

6777947737266 is an abundant number, since it is smaller than the sum of its proper divisors (6782721046734).

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

6777947737266 is a wasteful number, since it uses less digits than its factorization.

6777947737266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40834.

The product of its digits is 5489031744, while the sum is 78.

The spelling of 6777947737266 in words is "six trillion, seven hundred seventy-seven billion, nine hundred forty-seven million, seven hundred thirty-seven thousand, two hundred sixty-six".