6773642727685 has 4 divisors (see below), whose sum is σ = 8128371273228. Its totient is φ = 5418914182144.

The previous prime is 6773642727671. The next prime is 6773642727721. The reversal of 6773642727685 is 5867272463776.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2796657527041 + 3976985200644 = 1672321^2 + 1994238^2 .

It is a cyclic number.

It is not a de Polignac number, because 6773642727685 - 2⁵ = 6773642727653 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 677364272764 + ... + 677364272773.

It is an arithmetic number, because the mean of its divisors is an integer number (2032092818307).

Almost surely, 2^{6773642727685} is an apocalyptic number.

It is an amenable number.

6773642727685 is a deficient number, since it is larger than the sum of its proper divisors (1354728545543).

6773642727685 is a wasteful number, since it uses less digits than its factorization.

6773642727685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354728545542.

The product of its digits is 995742720, while the sum is 70.

The spelling of 6773642727685 in words is "six trillion, seven hundred seventy-three billion, six hundred forty-two million, seven hundred twenty-seven thousand, six hundred eighty-five".