6775947192665 has 24 divisors (see below), whose sum is σ = 9483626183040. Its totient is φ = 4634104190688.

The previous prime is 6775947192613. The next prime is 6775947192673. The reversal of 6775947192665 is 5662917495776.

It is not a de Polignac number, because 6775947192665 - 2⁸ = 6775947192409 is a prime.

It is a super-3 number, since 3×6775947192665³ (a number of 39 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6775947192592 and 6775947192601.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36393857 + ... + 36579566.

It is an arithmetic number, because the mean of its divisors is an integer number (395151090960).

Almost surely, 2^{6775947192665} is an apocalyptic number.

It is an amenable number.

6775947192665 is a deficient number, since it is larger than the sum of its proper divisors (2707678990375).

6775947192665 is a wasteful number, since it uses less digits than its factorization.

6775947192665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72973821 (or 72973814 counting only the distinct ones).

The product of its digits is 1200225600, while the sum is 74.

The spelling of 6775947192665 in words is "six trillion, seven hundred seventy-five billion, nine hundred forty-seven million, one hundred ninety-two thousand, six hundred sixty-five".